42721511

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 52026240

約数和(自身を除く): 9304729

約数列:

[1, 7, 23, 83, 139, 161, 529, 581, 973, 1909, 3197, 3703, 11537, 13363, 22379, 43907, 73531, 80759, 265351, 307349, 514717, 1857457, 6103073, 42721511]

約数ペア:

[(1, 42721511), (7, 6103073), (23, 1857457), (83, 514717), (139, 307349), (161, 265351), (529, 80759), (581, 73531), (973, 43907), (1909, 22379), (3197, 13363), (3703, 11537)]