12916395

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 23115840

約数和(自身を除く): 10199445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 397, 723, 1191, 1205, 1985, 2169, 3573, 3615, 5955, 6507, 10719, 10845, 17865, 32535, 53595, 95677, 287031, 478385, 861093, 1435155, 2583279, 4305465, 12916395]

約数ペア:

[(1, 12916395), (3, 4305465), (5, 2583279), (9, 1435155), (15, 861093), (27, 478385), (45, 287031), (135, 95677), (241, 53595), (397, 32535), (723, 17865), (1191, 10845), (1205, 10719), (1985, 6507), (2169, 5955), (3573, 3615)]