157500855

素因数分解:

$3^4\times 5^1\times {\mathrm{388891}}^1$

素因数の和:388908

約数の個数: 20

約数和(自身を含む): 282335592

約数和(自身を除く): 124834737

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 388891, 1166673, 1944455, 3500019, 5833365, 10500057, 17500095, 31500171, 52500285, 157500855]

約数ペア:

[(1, 157500855), (3, 52500285), (5, 31500171), (9, 17500095), (15, 10500057), (27, 5833365), (45, 3500019), (81, 1944455), (135, 1166673), (405, 388891)]