81800061

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{12941}}^1$

素因数の和:13001

約数の個数: 24

約数和(自身を含む): 129834144

約数和(自身を除く): 48034083

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 12941, 38823, 90587, 271761, 556463, 634109, 1669389, 1902327, 3895241, 11685723, 27266687, 81800061]

約数ペア:

[(1, 81800061), (3, 27266687), (7, 11685723), (21, 3895241), (43, 1902327), (49, 1669389), (129, 634109), (147, 556463), (301, 271761), (903, 90587), (2107, 38823), (6321, 12941)]