31481527

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3121}}^1$

素因数の和:3270

約数の個数: 16

約数和(自身を含む): 39561984

約数和(自身を除く): 8080457

約数列:

[1, 7, 11, 77, 131, 917, 1441, 3121, 10087, 21847, 34331, 240317, 408851, 2861957, 4497361, 31481527]

約数ペア:

[(1, 31481527), (7, 4497361), (11, 2861957), (77, 408851), (131, 240317), (917, 34331), (1441, 21847), (3121, 10087)]