163940985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21557}}^1$

素因数の和:21594

約数の個数: 36

約数和(自身を含む): 307718892

約数和(自身を除く): 143777907

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 7605, 21557, 64671, 107785, 194013, 280241, 323355, 840723, 970065, 1401205, 2522169, 3643133, 4203615, 10929399, 12610845, 18215665, 32788197, 54646995, 163940985]

約数ペア:

[(1, 163940985), (3, 54646995), (5, 32788197), (9, 18215665), (13, 12610845), (15, 10929399), (39, 4203615), (45, 3643133), (65, 2522169), (117, 1401205), (169, 970065), (195, 840723), (507, 323355), (585, 280241), (845, 194013), (1521, 107785), (2535, 64671), (7605, 21557)]