40728663

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{8243}}^1$

素因数の和:8316

約数の個数: 20

約数和(自身を含む): 61846488

約数和(自身を除く): 21117825

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 8243, 24729, 74187, 222561, 502823, 667683, 1508469, 4525407, 13576221, 40728663]

約数ペア:

[(1, 40728663), (3, 13576221), (9, 4525407), (27, 1508469), (61, 667683), (81, 502823), (183, 222561), (549, 74187), (1647, 24729), (4941, 8243)]