28167885

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1523}}^1$

素因数の和:1674

約数の個数: 32

約数和(自身を含む): 50474880

約数和(自身を除く): 22306995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1233, 1523, 2055, 3699, 4569, 6165, 7615, 13707, 18495, 22845, 41121, 68535, 205605, 208651, 625953, 1043255, 1877859, 3129765, 5633577, 9389295, 28167885]

約数ペア:

[(1, 28167885), (3, 9389295), (5, 5633577), (9, 3129765), (15, 1877859), (27, 1043255), (45, 625953), (135, 208651), (137, 205605), (411, 68535), (685, 41121), (1233, 22845), (1523, 18495), (2055, 13707), (3699, 7615), (4569, 6165)]