7551531

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 12812800

約数和(自身を除く): 5261269

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 79, 117, 129, 171, 237, 247, 387, 559, 711, 741, 817, 1027, 1501, 1677, 2223, 2451, 3081, 3397, 4503, 5031, 7353, 9243, 10191, 10621, 13509, 19513, 30573, 31863, 44161, 58539, 64543, 95589, 132483, 175617, 193629, 397449, 580887, 839059, 2517177, 7551531]

約数ペア:

[(1, 7551531), (3, 2517177), (9, 839059), (13, 580887), (19, 397449), (39, 193629), (43, 175617), (57, 132483), (79, 95589), (117, 64543), (129, 58539), (171, 44161), (237, 31863), (247, 30573), (387, 19513), (559, 13509), (711, 10621), (741, 10191), (817, 9243), (1027, 7353), (1501, 5031), (1677, 4503), (2223, 3397), (2451, 3081)]