55768401

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25087}}^1$

素因数の和:25125

約数の個数: 24

約数和(自身を含む): 91320320

約数和(自身を除く): 35551919

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 25087, 75261, 225783, 326131, 476653, 978393, 1429959, 2935179, 4289877, 6196489, 18589467, 55768401]

約数ペア:

[(1, 55768401), (3, 18589467), (9, 6196489), (13, 4289877), (19, 2935179), (39, 1429959), (57, 978393), (117, 476653), (171, 326131), (247, 225783), (741, 75261), (2223, 25087)]