72223151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3137}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 101219328

約数和(自身を除く): 28996177

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 1001, 1771, 2093, 3137, 3289, 21959, 23023, 34507, 40781, 72151, 241549, 285467, 448591, 505057, 793661, 937963, 3140137, 5555627, 6565741, 10317593, 72223151]

約数ペア:

[(1, 72223151), (7, 10317593), (11, 6565741), (13, 5555627), (23, 3140137), (77, 937963), (91, 793661), (143, 505057), (161, 448591), (253, 285467), (299, 241549), (1001, 72151), (1771, 40781), (2093, 34507), (3137, 23023), (3289, 21959)]