157250565

素因数分解:

$3^4\times 5^1\times {\mathrm{388273}}^1$

素因数の和:388290

約数の個数: 20

約数和(自身を含む): 281886924

約数和(自身を除く): 124636359

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 388273, 1164819, 1941365, 3494457, 5824095, 10483371, 17472285, 31450113, 52416855, 157250565]

約数ペア:

[(1, 157250565), (3, 52416855), (5, 31450113), (9, 17472285), (15, 10483371), (27, 5824095), (45, 3494457), (81, 1941365), (135, 1164819), (405, 388273)]