1920752457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{354317}}^1$

素因数の和:354472

約数の個数: 16

約数和(自身を含む): 2777853120

約数和(自身を除く): 857100663

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5421, 354317, 1062951, 4606121, 13818363, 49250063, 147750189, 640250819, 1920752457]

約数ペア:

[(1, 1920752457), (3, 640250819), (13, 147750189), (39, 49250063), (139, 13818363), (417, 4606121), (1807, 1062951), (5421, 354317)]