208998525

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{67967}}^1$

素因数の和:68021

約数の個数: 24

約数和(自身を含む): 353977344

約数和(自身を除く): 144978819

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 67967, 203901, 339835, 1019505, 1699175, 2786647, 5097525, 8359941, 13933235, 41799705, 69666175, 208998525]

約数ペア:

[(1, 208998525), (3, 69666175), (5, 41799705), (15, 13933235), (25, 8359941), (41, 5097525), (75, 2786647), (123, 1699175), (205, 1019505), (615, 339835), (1025, 203901), (3075, 67967)]