509151

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 16

約数和(自身を含む): 728064

約数和(自身を除く): 218913

約数列:

[1, 3, 23, 47, 69, 141, 157, 471, 1081, 3243, 3611, 7379, 10833, 22137, 169717, 509151]

約数ペア:

[(1, 509151), (3, 169717), (23, 22137), (47, 10833), (69, 7379), (141, 3611), (157, 3243), (471, 1081)]