40640913

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{10987}}^1$

素因数の和:11133

約数の個数: 16

約数和(自身を含む): 60653760

約数和(自身を除く): 20012847

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 10987, 32961, 98883, 296649, 1505219, 4515657, 13546971, 40640913]

約数ペア:

[(1, 40640913), (3, 13546971), (9, 4515657), (27, 1505219), (137, 296649), (411, 98883), (1233, 32961), (3699, 10987)]