865125

素因数分解:

$3^2\times 5^3\times {\mathrm{769}}^1$

素因数の和:790

約数の個数: 24

約数和(自身を含む): 1561560

約数和(自身を除く): 696435

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 769, 1125, 2307, 3845, 6921, 11535, 19225, 34605, 57675, 96125, 173025, 288375, 865125]

約数ペア:

[(1, 865125), (3, 288375), (5, 173025), (9, 96125), (15, 57675), (25, 34605), (45, 19225), (75, 11535), (125, 6921), (225, 3845), (375, 2307), (769, 1125)]