470221395

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{639757}}^1$

素因数の和:639779

約数の個数: 24

約数和(自身を含む): 875188944

約数和(自身を除く): 404967549

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 639757, 1919271, 3198785, 4478299, 9596355, 13434897, 22391495, 31348093, 67174485, 94044279, 156740465, 470221395]

約数ペア:

[(1, 470221395), (3, 156740465), (5, 94044279), (7, 67174485), (15, 31348093), (21, 22391495), (35, 13434897), (49, 9596355), (105, 4478299), (147, 3198785), (245, 1919271), (735, 639757)]