13181205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51691}}^1$

素因数の和:51716

約数の個数: 16

約数和(自身を含む): 22330944

約数和(自身を除く): 9149739

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 51691, 155073, 258455, 775365, 878747, 2636241, 4393735, 13181205]

約数ペア:

[(1, 13181205), (3, 4393735), (5, 2636241), (15, 878747), (17, 775365), (51, 258455), (85, 155073), (255, 51691)]