81588825

素因数分解:

$3^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3209}}^1$

素因数の和:3338

約数の個数: 36

約数和(自身を含む): 147473820

約数和(自身を除く): 65884995

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 225, 339, 565, 1017, 1695, 2825, 3209, 5085, 8475, 9627, 16045, 25425, 28881, 48135, 80225, 144405, 240675, 362617, 722025, 1087851, 1813085, 3263553, 5439255, 9065425, 16317765, 27196275, 81588825]

約数ペア:

[(1, 81588825), (3, 27196275), (5, 16317765), (9, 9065425), (15, 5439255), (25, 3263553), (45, 1813085), (75, 1087851), (113, 722025), (225, 362617), (339, 240675), (565, 144405), (1017, 80225), (1695, 48135), (2825, 28881), (3209, 25425), (5085, 16045), (8475, 9627)]