64815855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5449}}^1$

素因数の和:5531

約数の個数: 32

約数和(自身を含む): 113534400

約数和(自身を除く): 48718545

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 3965, 5449, 11895, 16347, 27245, 70837, 81735, 212511, 332389, 354185, 997167, 1062555, 1661945, 4321057, 4985835, 12963171, 21605285, 64815855]

約数ペア:

[(1, 64815855), (3, 21605285), (5, 12963171), (13, 4985835), (15, 4321057), (39, 1661945), (61, 1062555), (65, 997167), (183, 354185), (195, 332389), (305, 212511), (793, 81735), (915, 70837), (2379, 27245), (3965, 16347), (5449, 11895)]