156789708615

素因数分解:

$3^4\times 5^1\times {\mathrm{387135083}}^1$

素因数の和:387135100

約数の個数: 20

約数和(自身を含む): 281060070984

約数和(自身を除く): 124270362369

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387135083, 1161405249, 1935675415, 3484215747, 5807026245, 10452647241, 17421078735, 31357941723, 52263236205, 156789708615]

約数ペア:

[(1, 156789708615), (3, 52263236205), (5, 31357941723), (9, 17421078735), (15, 10452647241), (27, 5807026245), (45, 3484215747), (81, 1935675415), (135, 1161405249), (405, 387135083)]