621314397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2389}}^1$

素因数の和:2514

約数の個数: 48

約数和(自身を含む): 1020090240

約数和(自身を除く): 398775843

約数列:

[1, 3, 9, 11, 33, 37, 71, 99, 111, 213, 333, 407, 639, 781, 1221, 2343, 2389, 2627, 3663, 7029, 7167, 7881, 21501, 23643, 26279, 28897, 78837, 86691, 88393, 169619, 236511, 260073, 265179, 508857, 795537, 972323, 1526571, 1865809, 2916969, 5597427, 6275903, 8750907, 16792281, 18827709, 56483127, 69034933, 207104799, 621314397]

約数ペア:

[(1, 621314397), (3, 207104799), (9, 69034933), (11, 56483127), (33, 18827709), (37, 16792281), (71, 8750907), (99, 6275903), (111, 5597427), (213, 2916969), (333, 1865809), (407, 1526571), (639, 972323), (781, 795537), (1221, 508857), (2343, 265179), (2389, 260073), (2627, 236511), (3663, 169619), (7029, 88393), (7167, 86691), (7881, 78837), (21501, 28897), (23643, 26279)]