545454

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:71

約数の個数: 80

約数和(自身を含む): 1544928

約数和(自身を除く): 999474

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 81, 91, 111, 117, 126, 162, 182, 189, 222, 234, 259, 273, 333, 351, 378, 481, 518, 546, 567, 666, 702, 777, 819, 962, 999, 1053, 1134, 1443, 1554, 1638, 1998, 2106, 2331, 2457, 2886, 2997, 3367, 4329, 4662, 4914, 5994, 6734, 6993, 7371, 8658, 10101, 12987, 13986, 14742, 20202, 20979, 25974, 30303, 38961, 41958, 60606, 77922, 90909, 181818, 272727, 545454]

約数ペア:

[(1, 545454), (2, 272727), (3, 181818), (6, 90909), (7, 77922), (9, 60606), (13, 41958), (14, 38961), (18, 30303), (21, 25974), (26, 20979), (27, 20202), (37, 14742), (39, 13986), (42, 12987), (54, 10101), (63, 8658), (74, 7371), (78, 6993), (81, 6734), (91, 5994), (111, 4914), (117, 4662), (126, 4329), (162, 3367), (182, 2997), (189, 2886), (222, 2457), (234, 2331), (259, 2106), (273, 1998), (333, 1638), (351, 1554), (378, 1443), (481, 1134), (518, 1053), (546, 999), (567, 962), (666, 819), (702, 777)]