31575895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21121}}^1$

素因数の和:21162

約数の個数: 16

約数和(自身を含む): 42581952

約数和(自身を除く): 11006057

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 21121, 105605, 274573, 485783, 1372865, 2428915, 6315179, 31575895]

約数ペア:

[(1, 31575895), (5, 6315179), (13, 2428915), (23, 1372865), (65, 485783), (115, 274573), (299, 105605), (1495, 21121)]