289900947

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{2621}}^1$

素因数の和:2883

約数の個数: 32

約数和(自身を含む): 463150080

約数和(自身を除く): 173249133

約数列:

[1, 3, 7, 21, 23, 69, 161, 229, 483, 687, 1603, 2621, 4809, 5267, 7863, 15801, 18347, 36869, 55041, 60283, 110607, 180849, 421981, 600209, 1265943, 1800627, 4201463, 12604389, 13804807, 41414421, 96633649, 289900947]

約数ペア:

[(1, 289900947), (3, 96633649), (7, 41414421), (21, 13804807), (23, 12604389), (69, 4201463), (161, 1800627), (229, 1265943), (483, 600209), (687, 421981), (1603, 180849), (2621, 110607), (4809, 60283), (5267, 55041), (7863, 36869), (15801, 18347)]