556065

素因数分解:

$3^4\times 5^1\times {\mathrm{1373}}^1$

素因数の和:1390

約数の個数: 20

約数和(自身を含む): 997524

約数和(自身を除く): 441459

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1373, 4119, 6865, 12357, 20595, 37071, 61785, 111213, 185355, 556065]

約数ペア:

[(1, 556065), (3, 185355), (5, 111213), (9, 61785), (15, 37071), (27, 20595), (45, 12357), (81, 6865), (135, 4119), (405, 1373)]