311191101

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139987}}^1$

素因数の和:140025

約数の個数: 24

約数和(自身を含む): 509556320

約数和(自身を除く): 198365219

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 139987, 419961, 1259883, 1819831, 2659753, 5459493, 7979259, 16378479, 23937777, 34576789, 103730367, 311191101]

約数ペア:

[(1, 311191101), (3, 103730367), (9, 34576789), (13, 23937777), (19, 16378479), (39, 7979259), (57, 5459493), (117, 2659753), (171, 1819831), (247, 1259883), (741, 419961), (2223, 139987)]