81392605

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 115349760

約数和(自身を除く): 33957155

約数列:

[1, 5, 7, 35, 61, 67, 305, 335, 427, 469, 569, 2135, 2345, 2845, 3983, 4087, 19915, 20435, 28609, 34709, 38123, 143045, 173545, 190615, 242963, 266861, 1214815, 1334305, 2325503, 11627515, 16278521, 81392605]

約数ペア:

[(1, 81392605), (5, 16278521), (7, 11627515), (35, 2325503), (61, 1334305), (67, 1214815), (305, 266861), (335, 242963), (427, 190615), (469, 173545), (569, 143045), (2135, 38123), (2345, 34709), (2845, 28609), (3983, 20435), (4087, 19915)]