18669375

素因数分解:

$3^2\times 5^4\times {\mathrm{3319}}^1$

素因数の和:3345

約数の個数: 30

約数和(自身を含む): 33707960

約数和(自身を除く): 15038585

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3319, 5625, 9957, 16595, 29871, 49785, 82975, 149355, 248925, 414875, 746775, 1244625, 2074375, 3733875, 6223125, 18669375]

約数ペア:

[(1, 18669375), (3, 6223125), (5, 3733875), (9, 2074375), (15, 1244625), (25, 746775), (45, 414875), (75, 248925), (125, 149355), (225, 82975), (375, 49785), (625, 29871), (1125, 16595), (1875, 9957), (3319, 5625)]