727272

素因数分解:

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

素因数の和:72

約数の個数: 128

約数和(自身を含む): 2553600

約数和(自身を除く): 1826328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 37, 39, 42, 52, 54, 56, 63, 72, 74, 78, 84, 91, 104, 108, 111, 117, 126, 148, 156, 168, 182, 189, 216, 222, 234, 252, 259, 273, 296, 312, 333, 351, 364, 378, 444, 468, 481, 504, 518, 546, 666, 702, 728, 756, 777, 819, 888, 936, 962, 999, 1036, 1092, 1332, 1404, 1443, 1512, 1554, 1638, 1924, 1998, 2072, 2184, 2331, 2457, 2664, 2808, 2886, 3108, 3276, 3367, 3848, 3996, 4329, 4662, 4914, 5772, 6216, 6552, 6734, 6993, 7992, 8658, 9324, 9828, 10101, 11544, 12987, 13468, 13986, 17316, 18648, 19656, 20202, 25974, 26936, 27972, 30303, 34632, 40404, 51948, 55944, 60606, 80808, 90909, 103896, 121212, 181818, 242424, 363636, 727272]

約数ペア:

[(1, 727272), (2, 363636), (3, 242424), (4, 181818), (6, 121212), (7, 103896), (8, 90909), (9, 80808), (12, 60606), (13, 55944), (14, 51948), (18, 40404), (21, 34632), (24, 30303), (26, 27972), (27, 26936), (28, 25974), (36, 20202), (37, 19656), (39, 18648), (42, 17316), (52, 13986), (54, 13468), (56, 12987), (63, 11544), (72, 10101), (74, 9828), (78, 9324), (84, 8658), (91, 7992), (104, 6993), (108, 6734), (111, 6552), (117, 6216), (126, 5772), (148, 4914), (156, 4662), (168, 4329), (182, 3996), (189, 3848), (216, 3367), (222, 3276), (234, 3108), (252, 2886), (259, 2808), (273, 2664), (296, 2457), (312, 2331), (333, 2184), (351, 2072), (364, 1998), (378, 1924), (444, 1638), (468, 1554), (481, 1512), (504, 1443), (518, 1404), (546, 1332), (666, 1092), (702, 1036), (728, 999), (756, 962), (777, 936), (819, 888)]