1257881781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{246209}}^1$

素因数の和:246356

約数の個数: 16

約数和(自身を含む): 1819984320

約数和(自身を除く): 562102539

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 246209, 738627, 3200717, 9602151, 32253379, 96760137, 419293927, 1257881781]

約数ペア:

[(1, 1257881781), (3, 419293927), (13, 96760137), (39, 32253379), (131, 9602151), (393, 3200717), (1703, 738627), (5109, 246209)]