17921431

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{4003}}^1$

素因数の和:4062

約数の個数: 12

約数和(自身を含む): 20236216

約数和(自身を除く): 2314785

約数列:

[1, 11, 37, 121, 407, 4003, 4477, 44033, 148111, 484363, 1629221, 17921431]

約数ペア:

[(1, 17921431), (11, 1629221), (37, 484363), (121, 148111), (407, 44033), (4003, 4477)]