29707281

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 45439680

約数和(自身を除く): 15732399

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 2647, 3741, 7941, 11223, 23823, 76763, 113821, 230289, 341463, 690867, 1024389, 3300809, 9902427, 29707281]

約数ペア:

[(1, 29707281), (3, 9902427), (9, 3300809), (29, 1024389), (43, 690867), (87, 341463), (129, 230289), (261, 113821), (387, 76763), (1247, 23823), (2647, 11223), (3741, 7941)]