81926739

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1523}}^1$

素因数の和:1711

約数の個数: 24

約数和(自身を含む): 122041920

約数和(自身を除く): 40115181

約数列:

[1, 3, 9, 43, 129, 139, 387, 417, 1251, 1523, 4569, 5977, 13707, 17931, 53793, 65489, 196467, 211697, 589401, 635091, 1905273, 9102971, 27308913, 81926739]

約数ペア:

[(1, 81926739), (3, 27308913), (9, 9102971), (43, 1905273), (129, 635091), (139, 589401), (387, 211697), (417, 196467), (1251, 65489), (1523, 53793), (4569, 17931), (5977, 13707)]