247884507

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{111509}}^1$

素因数の和:111547

約数の個数: 24

約数和(自身を含む): 405896400

約数和(自身を除く): 158011893

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 111509, 334527, 1003581, 1449617, 2118671, 4348851, 6356013, 13046553, 19068039, 27542723, 82628169, 247884507]

約数ペア:

[(1, 247884507), (3, 82628169), (9, 27542723), (13, 19068039), (19, 13046553), (39, 6356013), (57, 4348851), (117, 2118671), (171, 1449617), (247, 1003581), (741, 334527), (2223, 111509)]