157419855

素因数分解:

$3^4\times 5^1\times {\mathrm{388691}}^1$

素因数の和:388708

約数の個数: 20

約数和(自身を含む): 282190392

約数和(自身を除く): 124770537

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 388691, 1166073, 1943455, 3498219, 5830365, 10494657, 17491095, 31483971, 52473285, 157419855]

約数ペア:

[(1, 157419855), (3, 52473285), (5, 31483971), (9, 17491095), (15, 10494657), (27, 5830365), (45, 3498219), (81, 1943455), (135, 1166073), (405, 388691)]