81090828

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 192

約数和(自身を含む): 266936320

約数和(自身を除く): 185845492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 37, 39, 42, 52, 54, 63, 74, 78, 84, 91, 108, 111, 117, 126, 148, 156, 182, 189, 222, 223, 234, 252, 259, 273, 333, 351, 364, 378, 444, 446, 468, 481, 518, 546, 666, 669, 702, 756, 777, 819, 892, 962, 999, 1036, 1092, 1332, 1338, 1404, 1443, 1554, 1561, 1638, 1924, 1998, 2007, 2331, 2457, 2676, 2886, 2899, 3108, 3122, 3276, 3367, 3996, 4014, 4329, 4662, 4683, 4914, 5772, 5798, 6021, 6244, 6734, 6993, 8028, 8251, 8658, 8697, 9324, 9366, 9828, 10101, 11596, 12042, 12987, 13468, 13986, 14049, 16502, 17316, 17394, 18732, 20202, 20293, 24084, 24753, 25974, 26091, 27972, 28098, 30303, 33004, 34788, 40404, 40586, 42147, 49506, 51948, 52182, 56196, 57757, 60606, 60879, 74259, 78273, 81172, 84294, 90909, 99012, 104364, 107263, 115514, 121212, 121758, 148518, 156546, 168588, 173271, 181818, 182637, 214526, 222777, 231028, 243516, 297036, 313092, 321789, 346542, 363636, 365274, 429052, 445554, 519813, 547911, 643578, 693084, 730548, 750841, 891108, 965367, 1039626, 1095822, 1287156, 1501682, 1559439, 1930734, 2079252, 2191644, 2252523, 2896101, 3003364, 3118878, 3861468, 4505046, 5792202, 6237756, 6757569, 9010092, 11584404, 13515138, 20272707, 27030276, 40545414, 81090828]

約数ペア:

[(1, 81090828), (2, 40545414), (3, 27030276), (4, 20272707), (6, 13515138), (7, 11584404), (9, 9010092), (12, 6757569), (13, 6237756), (14, 5792202), (18, 4505046), (21, 3861468), (26, 3118878), (27, 3003364), (28, 2896101), (36, 2252523), (37, 2191644), (39, 2079252), (42, 1930734), (52, 1559439), (54, 1501682), (63, 1287156), (74, 1095822), (78, 1039626), (84, 965367), (91, 891108), (108, 750841), (111, 730548), (117, 693084), (126, 643578), (148, 547911), (156, 519813), (182, 445554), (189, 429052), (222, 365274), (223, 363636), (234, 346542), (252, 321789), (259, 313092), (273, 297036), (333, 243516), (351, 231028), (364, 222777), (378, 214526), (444, 182637), (446, 181818), (468, 173271), (481, 168588), (518, 156546), (546, 148518), (666, 121758), (669, 121212), (702, 115514), (756, 107263), (777, 104364), (819, 99012), (892, 90909), (962, 84294), (999, 81172), (1036, 78273), (1092, 74259), (1332, 60879), (1338, 60606), (1404, 57757), (1443, 56196), (1554, 52182), (1561, 51948), (1638, 49506), (1924, 42147), (1998, 40586), (2007, 40404), (2331, 34788), (2457, 33004), (2676, 30303), (2886, 28098), (2899, 27972), (3108, 26091), (3122, 25974), (3276, 24753), (3367, 24084), (3996, 20293), (4014, 20202), (4329, 18732), (4662, 17394), (4683, 17316), (4914, 16502), (5772, 14049), (5798, 13986), (6021, 13468), (6244, 12987), (6734, 12042), (6993, 11596), (8028, 10101), (8251, 9828), (8658, 9366), (8697, 9324)]