289791411

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{3917}}^1$

素因数の和:4211

約数の個数: 32

約数和(自身を含む): 477431808

約数和(自身を除く): 187640397

約数列:

[1, 3, 7, 13, 21, 39, 91, 271, 273, 813, 1897, 3523, 3917, 5691, 10569, 11751, 24661, 27419, 50921, 73983, 82257, 152763, 356447, 1061507, 1069341, 3184521, 7430549, 13799591, 22291647, 41398773, 96597137, 289791411]

約数ペア:

[(1, 289791411), (3, 96597137), (7, 41398773), (13, 22291647), (21, 13799591), (39, 7430549), (91, 3184521), (271, 1069341), (273, 1061507), (813, 356447), (1897, 152763), (3523, 82257), (3917, 73983), (5691, 50921), (10569, 27419), (11751, 24661)]