180119295

素因数分解:

$3^4\times 5^1\times {\mathrm{444739}}^1$

素因数の和:444756

約数の個数: 20

約数和(自身を含む): 322881240

約数和(自身を除く): 142761945

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 444739, 1334217, 2223695, 4002651, 6671085, 12007953, 20013255, 36023859, 60039765, 180119295]

約数ペア:

[(1, 180119295), (3, 60039765), (5, 36023859), (9, 20013255), (15, 12007953), (27, 6671085), (45, 4002651), (81, 2223695), (135, 1334217), (405, 444739)]