12921831

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{617}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 20245680

約数和(自身を除く): 7323849

約数列:

[1, 3, 9, 13, 39, 117, 179, 537, 617, 1611, 1851, 2327, 5553, 6981, 8021, 20943, 24063, 72189, 110443, 331329, 993987, 1435759, 4307277, 12921831]

約数ペア:

[(1, 12921831), (3, 4307277), (9, 1435759), (13, 993987), (39, 331329), (117, 110443), (179, 72189), (537, 24063), (617, 20943), (1611, 8021), (1851, 6981), (2327, 5553)]