129962021

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^2\times {\mathrm{127}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 157071360

約数和(自身を除く): 27109339

約数列:

[1, 7, 29, 71, 127, 203, 497, 889, 2059, 3683, 5041, 9017, 14413, 25781, 35287, 63119, 146189, 261493, 640207, 1023323, 1830451, 4481449, 18566003, 129962021]

約数ペア:

[(1, 129962021), (7, 18566003), (29, 4481449), (71, 1830451), (127, 1023323), (203, 640207), (497, 261493), (889, 146189), (2059, 63119), (3683, 35287), (5041, 25781), (9017, 14413)]