68728779

素因数分解:

$3^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1621}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 113695712

約数和(自身を除く): 44966933

約数列:

[1, 3, 7, 9, 21, 63, 673, 1621, 2019, 4711, 4863, 6057, 11347, 14133, 14589, 34041, 42399, 102123, 1090933, 3272799, 7636531, 9818397, 22909593, 68728779]

約数ペア:

[(1, 68728779), (3, 22909593), (7, 9818397), (9, 7636531), (21, 3272799), (63, 1090933), (673, 102123), (1621, 42399), (2019, 34041), (4711, 14589), (4863, 14133), (6057, 11347)]