3991351

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1907}}^1$

素因数の和:1950

約数の個数: 16

約数和(自身を含む): 5128704

約数和(自身を除く): 1137353

約数列:

[1, 7, 13, 23, 91, 161, 299, 1907, 2093, 13349, 24791, 43861, 173537, 307027, 570193, 3991351]

約数ペア:

[(1, 3991351), (7, 570193), (13, 307027), (23, 173537), (91, 43861), (161, 24791), (299, 13349), (1907, 2093)]