81761643

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{34807}}^1$

素因数の和:34848

約数の個数: 20

約数和(自身を含む): 126353040

約数和(自身を除く): 44591397

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 34807, 104421, 313263, 939789, 1009403, 2819367, 3028209, 9084627, 27253881, 81761643]

約数ペア:

[(1, 81761643), (3, 27253881), (9, 9084627), (27, 3028209), (29, 2819367), (81, 1009403), (87, 939789), (261, 313263), (783, 104421), (2349, 34807)]