16670871

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3727}}^1$

素因数の和:3811

約数の個数: 24

約数和(自身を含む): 27915264

約数和(自身を除く): 11244393

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 3727, 4473, 11181, 26089, 33543, 78267, 234801, 264617, 793851, 1852319, 2381553, 5556957, 16670871]

約数ペア:

[(1, 16670871), (3, 5556957), (7, 2381553), (9, 1852319), (21, 793851), (63, 264617), (71, 234801), (213, 78267), (497, 33543), (639, 26089), (1491, 11181), (3727, 4473)]