257024145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{8837}}^1$

素因数の和:9129

約数の個数: 32

約数和(自身を含む): 471737088

約数和(自身を除く): 214712943

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 277, 831, 1385, 1939, 4155, 5817, 8837, 9695, 26511, 29085, 44185, 61859, 132555, 185577, 309295, 927885, 2447849, 7343547, 12239245, 17134943, 36717735, 51404829, 85674715, 257024145]

約数ペア:

[(1, 257024145), (3, 85674715), (5, 51404829), (7, 36717735), (15, 17134943), (21, 12239245), (35, 7343547), (105, 2447849), (277, 927885), (831, 309295), (1385, 185577), (1939, 132555), (4155, 61859), (5817, 44185), (8837, 29085), (9695, 26511)]