30789591

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4871}}^1$

素因数の和:4931

約数の個数: 24

約数和(自身を含む): 48875904

約数和(自身を除く): 18086313

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 4871, 6321, 14613, 34097, 102291, 209453, 238679, 628359, 716037, 1466171, 4398513, 10263197, 30789591]

約数ペア:

[(1, 30789591), (3, 10263197), (7, 4398513), (21, 1466171), (43, 716037), (49, 628359), (129, 238679), (147, 209453), (301, 102291), (903, 34097), (2107, 14613), (4871, 6321)]