64787967

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1699}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 99008000

約数和(自身を除く): 34220033

約数列:

[1, 3, 9, 19, 57, 171, 223, 669, 1699, 2007, 4237, 5097, 12711, 15291, 32281, 38133, 96843, 290529, 378877, 1136631, 3409893, 7198663, 21595989, 64787967]

約数ペア:

[(1, 64787967), (3, 21595989), (9, 7198663), (19, 3409893), (57, 1136631), (171, 378877), (223, 290529), (669, 96843), (1699, 38133), (2007, 32281), (4237, 15291), (5097, 12711)]