6561815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 8547168

約数和(自身を除く): 1985353

約数列:

[1, 5, 13, 65, 157, 643, 785, 2041, 3215, 8359, 10205, 41795, 100951, 504755, 1312363, 6561815]

約数ペア:

[(1, 6561815), (5, 1312363), (13, 504755), (65, 100951), (157, 41795), (643, 10205), (785, 8359), (2041, 3215)]