81235125

素因数分解:

$3^2\times 5^3\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 147670848

約数和(自身を除く): 66435723

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 163, 225, 375, 443, 489, 815, 1125, 1329, 1467, 2215, 2445, 3987, 4075, 6645, 7335, 11075, 12225, 19935, 20375, 33225, 36675, 55375, 61125, 72209, 99675, 166125, 183375, 216627, 361045, 498375, 649881, 1083135, 1805225, 3249405, 5415675, 9026125, 16247025, 27078375, 81235125]

約数ペア:

[(1, 81235125), (3, 27078375), (5, 16247025), (9, 9026125), (15, 5415675), (25, 3249405), (45, 1805225), (75, 1083135), (125, 649881), (163, 498375), (225, 361045), (375, 216627), (443, 183375), (489, 166125), (815, 99675), (1125, 72209), (1329, 61125), (1467, 55375), (2215, 36675), (2445, 33225), (3987, 20375), (4075, 19935), (6645, 12225), (7335, 11075)]