66491901

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2531}}^1$

素因数の和:2686

約数の個数: 32

約数和(自身を含む): 113433600

約数和(自身を除く): 46941699

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2531, 2919, 3753, 7593, 8757, 17717, 22779, 26271, 53151, 68337, 159453, 351809, 478359, 1055427, 2462663, 3166281, 7387989, 9498843, 22163967, 66491901]

約数ペア:

[(1, 66491901), (3, 22163967), (7, 9498843), (9, 7387989), (21, 3166281), (27, 2462663), (63, 1055427), (139, 478359), (189, 351809), (417, 159453), (973, 68337), (1251, 53151), (2531, 26271), (2919, 22779), (3753, 17717), (7593, 8757)]