1215704340921

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{815361731}}^1$

素因数の和:815361812

約数の個数: 16

約数和(自身を含む): 1878593430528

約数和(自身を除く): 662889089607

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 815361731, 2446085193, 5707532117, 17122596351, 57890682901, 173672048703, 405234780307, 1215704340921]

約数ペア:

[(1, 1215704340921), (3, 405234780307), (7, 173672048703), (21, 57890682901), (71, 17122596351), (213, 5707532117), (497, 2446085193), (1491, 815361731)]