257082015

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{255803}}^1$

素因数の和:255878

約数の個数: 16

約数和(自身を含む): 417472128

約数和(自身を除く): 160390113

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 255803, 767409, 1279015, 3837045, 17138801, 51416403, 85694005, 257082015]

約数ペア:

[(1, 257082015), (3, 85694005), (5, 51416403), (15, 17138801), (67, 3837045), (201, 1279015), (335, 767409), (1005, 255803)]