15620605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3157

約数の個数: 32

約数和(自身を含む): 25175808

約数和(自身を除く): 9555203

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 3121, 5005, 15605, 21847, 34331, 40573, 109235, 171655, 202865, 240317, 284011, 446303, 1201585, 1420055, 2231515, 3124121, 15620605]

約数ペア:

[(1, 15620605), (5, 3124121), (7, 2231515), (11, 1420055), (13, 1201585), (35, 446303), (55, 284011), (65, 240317), (77, 202865), (91, 171655), (143, 109235), (385, 40573), (455, 34331), (715, 21847), (1001, 15605), (3121, 5005)]