15717775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 21320064

約数和(自身を除く): 5602289

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 1193, 2635, 5965, 13175, 20281, 29825, 36983, 101405, 184915, 507025, 628711, 924575, 3143555, 15717775]

約数ペア:

[(1, 15717775), (5, 3143555), (17, 924575), (25, 628711), (31, 507025), (85, 184915), (155, 101405), (425, 36983), (527, 29825), (775, 20281), (1193, 13175), (2635, 5965)]