2121903

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 3660800

約数和(自身を除く): 1538897

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 109, 189, 309, 327, 721, 763, 927, 981, 2163, 2289, 2781, 2943, 6489, 6867, 11227, 19467, 20601, 33681, 78589, 101043, 235767, 303129, 707301, 2121903]

約数ペア:

[(1, 2121903), (3, 707301), (7, 303129), (9, 235767), (21, 101043), (27, 78589), (63, 33681), (103, 20601), (109, 19467), (189, 11227), (309, 6867), (327, 6489), (721, 2943), (763, 2781), (927, 2289), (981, 2163)]