15809165

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 20438880

約数和(自身を除く): 4629715

約数列:

[1, 5, 23, 43, 115, 139, 215, 529, 695, 989, 2645, 3197, 4945, 5977, 15985, 22747, 29885, 73531, 113735, 137471, 367655, 687355, 3161833, 15809165]

約数ペア:

[(1, 15809165), (5, 3161833), (23, 687355), (43, 367655), (115, 137471), (139, 113735), (215, 73531), (529, 29885), (695, 22747), (989, 15985), (2645, 5977), (3197, 4945)]