331317623

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 420220416

約数和(自身を除く): 88902793

約数列:

[1, 7, 13, 43, 91, 227, 301, 373, 559, 1589, 2611, 2951, 3913, 4849, 9761, 16039, 20657, 33943, 68327, 84671, 112273, 126893, 208507, 592697, 888251, 1100723, 1459549, 3640853, 7705061, 25485971, 47331089, 331317623]

約数ペア:

[(1, 331317623), (7, 47331089), (13, 25485971), (43, 7705061), (91, 3640853), (227, 1459549), (301, 1100723), (373, 888251), (559, 592697), (1589, 208507), (2611, 126893), (2951, 112273), (3913, 84671), (4849, 68327), (9761, 33943), (16039, 20657)]