909387

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 20

約数和(自身を含む): 1384240

約数和(自身を除く): 474853

約数列:

[1, 3, 9, 27, 81, 103, 109, 309, 327, 927, 981, 2781, 2943, 8343, 8829, 11227, 33681, 101043, 303129, 909387]

約数ペア:

[(1, 909387), (3, 303129), (9, 101043), (27, 33681), (81, 11227), (103, 8829), (109, 8343), (309, 2943), (327, 2781), (927, 981)]