30867921

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2707}}^1$

素因数の和:2901

約数の個数: 24

約数和(自身を含む): 51257024

約数和(自身を除く): 20389103

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 2707, 3801, 8121, 11403, 18949, 24363, 56847, 170541, 489967, 1469901, 3429769, 4409703, 10289307, 30867921]

約数ペア:

[(1, 30867921), (3, 10289307), (7, 4409703), (9, 3429769), (21, 1469901), (63, 489967), (181, 170541), (543, 56847), (1267, 24363), (1629, 18949), (2707, 11403), (3801, 8121)]