171782009

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{28837}}^1$

素因数の和:28904

約数の個数: 16

約数和(自身を含む): 210402048

約数和(自身を除く): 38620039

約数列:

[1, 7, 23, 37, 161, 259, 851, 5957, 28837, 201859, 663251, 1066969, 4642757, 7468783, 24540287, 171782009]

約数ペア:

[(1, 171782009), (7, 24540287), (23, 7468783), (37, 4642757), (161, 1066969), (259, 663251), (851, 201859), (5957, 28837)]