7856487

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 12207360

約数和(自身を除く): 4350873

約数列:

[1, 3, 9, 27, 43, 67, 101, 129, 201, 303, 387, 603, 909, 1161, 1809, 2727, 2881, 4343, 6767, 8643, 13029, 20301, 25929, 39087, 60903, 77787, 117261, 182709, 290981, 872943, 2618829, 7856487]

約数ペア:

[(1, 7856487), (3, 2618829), (9, 872943), (27, 290981), (43, 182709), (67, 117261), (101, 77787), (129, 60903), (201, 39087), (303, 25929), (387, 20301), (603, 13029), (909, 8643), (1161, 6767), (1809, 4343), (2727, 2881)]