128177715

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{275651}}^1$

素因数の和:275690

約数の個数: 16

約数和(自身を含む): 211700736

約数和(自身を除く): 83523021

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 275651, 826953, 1378255, 4134765, 8545181, 25635543, 42725905, 128177715]

約数ペア:

[(1, 128177715), (3, 42725905), (5, 25635543), (15, 8545181), (31, 4134765), (93, 1378255), (155, 826953), (465, 275651)]