845235

素因数分解:

$3^4\times 5^1\times {\mathrm{2087}}^1$

素因数の和:2104

約数の個数: 20

約数和(自身を含む): 1515888

約数和(自身を除く): 670653

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2087, 6261, 10435, 18783, 31305, 56349, 93915, 169047, 281745, 845235]

約数ペア:

[(1, 845235), (3, 281745), (5, 169047), (9, 93915), (15, 56349), (27, 31305), (45, 18783), (81, 10435), (135, 6261), (405, 2087)]