399345513

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{599}}^2$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 621044928

約数和(自身を除く): 221699415

約数列:

[1, 3, 7, 21, 53, 159, 371, 599, 1113, 1797, 4193, 12579, 31747, 95241, 222229, 358801, 666687, 1076403, 2511607, 7534821, 19016453, 57049359, 133115171, 399345513]

約数ペア:

[(1, 399345513), (3, 133115171), (7, 57049359), (21, 19016453), (53, 7534821), (159, 2511607), (371, 1076403), (599, 666687), (1113, 358801), (1797, 222229), (4193, 95241), (12579, 31747)]