7989003

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 13278720

約数和(自身を除く): 5289717

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 727, 999, 1221, 2181, 3663, 6543, 7997, 10989, 19629, 23991, 26899, 71973, 80697, 215919, 242091, 295889, 726273, 887667, 2663001, 7989003]

約数ペア:

[(1, 7989003), (3, 2663001), (9, 887667), (11, 726273), (27, 295889), (33, 242091), (37, 215919), (99, 80697), (111, 71973), (297, 26899), (333, 23991), (407, 19629), (727, 10989), (999, 7997), (1221, 6543), (2181, 3663)]