31086993

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40009}}^1$

素因数の和:40056

約数の個数: 16

約数和(自身を含む): 48652160

約数和(自身を除く): 17565167

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 40009, 120027, 280063, 840189, 1480333, 4440999, 10362331, 31086993]

約数ペア:

[(1, 31086993), (3, 10362331), (7, 4440999), (21, 1480333), (37, 840189), (111, 280063), (259, 120027), (777, 40009)]