157225455

素因数分解:

$3^4\times 5^1\times {\mathrm{388211}}^1$

素因数の和:388228

約数の個数: 20

約数和(自身を含む): 281841912

約数和(自身を除く): 124616457

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 388211, 1164633, 1941055, 3493899, 5823165, 10481697, 17469495, 31445091, 52408485, 157225455]

約数ペア:

[(1, 157225455), (3, 52408485), (5, 31445091), (9, 17469495), (15, 10481697), (27, 5823165), (45, 3493899), (81, 1941055), (135, 1164633), (405, 388211)]