1630251

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 2726880

約数和(自身を除く): 1096629

約数列:

[1, 3, 7, 9, 21, 63, 113, 229, 339, 687, 791, 1017, 1603, 2061, 2373, 4809, 7119, 14427, 25877, 77631, 181139, 232893, 543417, 1630251]

約数ペア:

[(1, 1630251), (3, 543417), (7, 232893), (9, 181139), (21, 77631), (63, 25877), (113, 14427), (229, 7119), (339, 4809), (687, 2373), (791, 2061), (1017, 1603)]