421206795

素因数分解:

$3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{14557}}^1$

素因数の和:15211

約数の個数: 24

約数和(自身を含む): 731277456

約数和(自身を除く): 310070661

約数列:

[1, 3, 5, 9, 15, 45, 643, 1929, 3215, 5787, 9645, 14557, 28935, 43671, 72785, 131013, 218355, 655065, 9360151, 28080453, 46800755, 84241359, 140402265, 421206795]

約数ペア:

[(1, 421206795), (3, 140402265), (5, 84241359), (9, 46800755), (15, 28080453), (45, 9360151), (643, 655065), (1929, 218355), (3215, 131013), (5787, 72785), (9645, 43671), (14557, 28935)]