2806947

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 4892160

約数和(自身を除く): 2085213

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 727, 1287, 2181, 3861, 6543, 7997, 9451, 19629, 23991, 28353, 71973, 85059, 103961, 215919, 255177, 311883, 935649, 2806947]

約数ペア:

[(1, 2806947), (3, 935649), (9, 311883), (11, 255177), (13, 215919), (27, 103961), (33, 85059), (39, 71973), (99, 28353), (117, 23991), (143, 19629), (297, 9451), (351, 7997), (429, 6543), (727, 3861), (1287, 2181)]