28666425

素因数分解:

$3^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{1229}}^1$

素因数の和:1553

約数の個数: 24

約数和(自身を含む): 47586240

約数和(自身を除く): 18919815

約数列:

[1, 3, 5, 15, 25, 75, 311, 933, 1229, 1555, 3687, 4665, 6145, 7775, 18435, 23325, 30725, 92175, 382219, 1146657, 1911095, 5733285, 9555475, 28666425]

約数ペア:

[(1, 28666425), (3, 9555475), (5, 5733285), (15, 1911095), (25, 1146657), (75, 382219), (311, 92175), (933, 30725), (1229, 23325), (1555, 18435), (3687, 7775), (4665, 6145)]