691010757

素因数分解:

$3^4\times {\mathrm{1721}}^1\times {\mathrm{4957}}^1$

素因数の和:6690

約数の個数: 20

約数和(自身を含む): 1033058796

約数和(自身を除く): 342048039

約数列:

[1, 3, 9, 27, 81, 1721, 4957, 5163, 14871, 15489, 44613, 46467, 133839, 139401, 401517, 8530997, 25592991, 76778973, 230336919, 691010757]

約数ペア:

[(1, 691010757), (3, 230336919), (9, 76778973), (27, 25592991), (81, 8530997), (1721, 401517), (4957, 139401), (5163, 133839), (14871, 46467), (15489, 44613)]