664209519

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1\times {\mathrm{9413}}^1$

素因数の和:10006

約数の個数: 16

約数和(自身を含む): 907961472

約数和(自身を除く): 243751953

約数列:

[1, 3, 43, 129, 547, 1641, 9413, 23521, 28239, 70563, 404759, 1214277, 5148911, 15446733, 221403173, 664209519]

約数ペア:

[(1, 664209519), (3, 221403173), (43, 15446733), (129, 5148911), (547, 1214277), (1641, 404759), (9413, 70563), (23521, 28239)]