138375

素因数分解:

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

素因数の和:65

約数の個数: 32

約数和(自身を含む): 262080

約数和(自身を除く): 123705

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 125, 135, 205, 225, 369, 375, 615, 675, 1025, 1107, 1125, 1845, 3075, 3375, 5125, 5535, 9225, 15375, 27675, 46125, 138375]

約数ペア:

[(1, 138375), (3, 46125), (5, 27675), (9, 15375), (15, 9225), (25, 5535), (27, 5125), (41, 3375), (45, 3075), (75, 1845), (123, 1125), (125, 1107), (135, 1025), (205, 675), (225, 615), (369, 375)]