1157085

素因数分解:

$3^4\times 5^1\times {\mathrm{2857}}^1$

素因数の和:2874

約数の個数: 20

約数和(自身を含む): 2074908

約数和(自身を除く): 917823

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2857, 8571, 14285, 25713, 42855, 77139, 128565, 231417, 385695, 1157085]

約数ペア:

[(1, 1157085), (3, 385695), (5, 231417), (9, 128565), (15, 77139), (27, 42855), (45, 25713), (81, 14285), (135, 8571), (405, 2857)]