80408025

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 148948800

約数和(自身を除く): 68540775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 225, 417, 675, 695, 857, 1251, 2085, 2571, 3475, 3753, 4285, 6255, 7713, 10425, 12855, 18765, 21425, 23139, 31275, 38565, 64275, 93825, 115695, 119123, 192825, 357369, 578475, 595615, 1072107, 1786845, 2978075, 3216321, 5360535, 8934225, 16081605, 26802675, 80408025]

約数ペア:

[(1, 80408025), (3, 26802675), (5, 16081605), (9, 8934225), (15, 5360535), (25, 3216321), (27, 2978075), (45, 1786845), (75, 1072107), (135, 595615), (139, 578475), (225, 357369), (417, 192825), (675, 119123), (695, 115695), (857, 93825), (1251, 64275), (2085, 38565), (2571, 31275), (3475, 23139), (3753, 21425), (4285, 18765), (6255, 12855), (7713, 10425)]