81842631

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 123594240

約数和(自身を除く): 41751609

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 481, 559, 1319, 1443, 1591, 1677, 3957, 4773, 17147, 20683, 48803, 51441, 56717, 62049, 146409, 170151, 634439, 737321, 1903317, 2098529, 2211963, 6295587, 27280877, 81842631]

約数ペア:

[(1, 81842631), (3, 27280877), (13, 6295587), (37, 2211963), (39, 2098529), (43, 1903317), (111, 737321), (129, 634439), (481, 170151), (559, 146409), (1319, 62049), (1443, 56717), (1591, 51441), (1677, 48803), (3957, 20683), (4773, 17147)]