51129

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 24

約数和(自身を含む): 87360

約数和(自身を除く): 36231

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 437, 741, 897, 1311, 2223, 2691, 3933, 5681, 17043, 51129]

約数ペア:

[(1, 51129), (3, 17043), (9, 5681), (13, 3933), (19, 2691), (23, 2223), (39, 1311), (57, 897), (69, 741), (117, 437), (171, 299), (207, 247)]