64891911

素因数分解:

$3^1\times 7^1\times {\mathrm{1163}}^1\times {\mathrm{2657}}^1$

素因数の和:3830

約数の個数: 16

約数和(自身を含む): 99005184

約数和(自身を除く): 34113273

約数列:

[1, 3, 7, 21, 1163, 2657, 3489, 7971, 8141, 18599, 24423, 55797, 3090091, 9270273, 21630637, 64891911]

約数ペア:

[(1, 64891911), (3, 21630637), (7, 9270273), (21, 3090091), (1163, 55797), (2657, 24423), (3489, 18599), (7971, 8141)]