1771065

素因数分解:

$3^4\times 5^1\times {\mathrm{4373}}^1$

素因数の和:4390

約数の個数: 20

約数和(自身を含む): 3175524

約数和(自身を除く): 1404459

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4373, 13119, 21865, 39357, 65595, 118071, 196785, 354213, 590355, 1771065]

約数ペア:

[(1, 1771065), (3, 590355), (5, 354213), (9, 196785), (15, 118071), (27, 65595), (45, 39357), (81, 21865), (135, 13119), (405, 4373)]