2169225

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:358

約数の個数: 36

約数和(自身を含む): 4023552

約数和(自身を除く): 1854327

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 311, 465, 775, 933, 1395, 1555, 2325, 2799, 4665, 6975, 7775, 9641, 13995, 23325, 28923, 48205, 69975, 86769, 144615, 241025, 433845, 723075, 2169225]

約数ペア:

[(1, 2169225), (3, 723075), (5, 433845), (9, 241025), (15, 144615), (25, 86769), (31, 69975), (45, 48205), (75, 28923), (93, 23325), (155, 13995), (225, 9641), (279, 7775), (311, 6975), (465, 4665), (775, 2799), (933, 2325), (1395, 1555)]