78915501

素因数分解:

$3^2\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1493}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 130515840

約数和(自身を除く): 51600339

約数列:

[1, 3, 7, 9, 21, 63, 839, 1493, 2517, 4479, 5873, 7551, 10451, 13437, 17619, 31353, 52857, 94059, 1252627, 3757881, 8768389, 11273643, 26305167, 78915501]

約数ペア:

[(1, 78915501), (3, 26305167), (7, 11273643), (9, 8768389), (21, 3757881), (63, 1252627), (839, 94059), (1493, 52857), (2517, 31353), (4479, 17619), (5873, 13437), (7551, 10451)]