1181385

素因数分解:

$3^4\times 5^1\times {\mathrm{2917}}^1$

素因数の和:2934

約数の個数: 20

約数和(自身を含む): 2118468

約数和(自身を除く): 937083

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2917, 8751, 14585, 26253, 43755, 78759, 131265, 236277, 393795, 1181385]

約数ペア:

[(1, 1181385), (3, 393795), (5, 236277), (9, 131265), (15, 78759), (27, 43755), (45, 26253), (81, 14585), (135, 8751), (405, 2917)]