251135313

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{5471}}^1$

素因数の和:5605

約数の個数: 32

約数和(自身を含む): 397135872

約数和(自身を除く): 146000559

約数列:

[1, 3, 11, 13, 33, 39, 107, 143, 321, 429, 1177, 1391, 3531, 4173, 5471, 15301, 16413, 45903, 60181, 71123, 180543, 213369, 585397, 782353, 1756191, 2347059, 6439367, 7610161, 19318101, 22830483, 83711771, 251135313]

約数ペア:

[(1, 251135313), (3, 83711771), (11, 22830483), (13, 19318101), (33, 7610161), (39, 6439367), (107, 2347059), (143, 1756191), (321, 782353), (429, 585397), (1177, 213369), (1391, 180543), (3531, 71123), (4173, 60181), (5471, 45903), (15301, 16413)]