1921875

素因数分解:

$3^1\times 5^6\times {\mathrm{41}}^1$

素因数の和:74

約数の個数: 28

約数和(自身を含む): 3281208

約数和(自身を除く): 1359333

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 615, 625, 1025, 1875, 3075, 3125, 5125, 9375, 15375, 15625, 25625, 46875, 76875, 128125, 384375, 640625, 1921875]

約数ペア:

[(1, 1921875), (3, 640625), (5, 384375), (15, 128125), (25, 76875), (41, 46875), (75, 25625), (123, 15625), (125, 15375), (205, 9375), (375, 5125), (615, 3125), (625, 3075), (1025, 1875)]