7261281

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 11119680

約数和(自身を除く): 3858399

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 647, 1247, 1941, 3741, 5823, 11223, 18763, 27821, 56289, 83463, 168867, 250389, 806809, 2420427, 7261281]

約数ペア:

[(1, 7261281), (3, 2420427), (9, 806809), (29, 250389), (43, 168867), (87, 83463), (129, 56289), (261, 27821), (387, 18763), (647, 11223), (1247, 5823), (1941, 3741)]