30879891

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11399}}^1$

素因数の和:11455

約数の個数: 24

約数和(自身を含む): 52166400

約数和(自身を除く): 21286509

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 11399, 34197, 79793, 102591, 239379, 490157, 718137, 1470471, 3431099, 4411413, 10293297, 30879891]

約数ペア:

[(1, 30879891), (3, 10293297), (7, 4411413), (9, 3431099), (21, 1470471), (43, 718137), (63, 490157), (129, 239379), (301, 102591), (387, 79793), (903, 34197), (2709, 11399)]