71809257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{7001}}^1$

素因数の和:7280

約数の個数: 16

約数和(自身を含む): 103517568

約数和(自身を除く): 31708311

約数列:

[1, 3, 13, 39, 263, 789, 3419, 7001, 10257, 21003, 91013, 273039, 1841263, 5523789, 23936419, 71809257]

約数ペア:

[(1, 71809257), (3, 23936419), (13, 5523789), (39, 1841263), (263, 273039), (789, 91013), (3419, 21003), (7001, 10257)]