31300947

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2789}}^1$

素因数の和:2867

約数の個数: 24

約数和(自身を含む): 47876400

約数和(自身を除く): 16575453

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 2789, 3741, 8367, 11223, 25101, 80881, 119927, 242643, 359781, 727929, 1079343, 3477883, 10433649, 31300947]

約数ペア:

[(1, 31300947), (3, 10433649), (9, 3477883), (29, 1079343), (43, 727929), (87, 359781), (129, 242643), (261, 119927), (387, 80881), (1247, 25101), (2789, 11223), (3741, 8367)]