155890609

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 186936288

約数和(自身を除く): 31045679

約数列:

[1, 7, 43, 49, 241, 301, 307, 1687, 2107, 2149, 10363, 11809, 13201, 15043, 72541, 73987, 92407, 507787, 517909, 646849, 3181441, 3625363, 22270087, 155890609]

約数ペア:

[(1, 155890609), (7, 22270087), (43, 3625363), (49, 3181441), (241, 646849), (301, 517909), (307, 507787), (1687, 92407), (2107, 73987), (2149, 72541), (10363, 15043), (11809, 13201)]