30041991

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1697}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 49798944

約数和(自身を除く): 19756953

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1697, 1967, 2529, 5091, 5901, 11879, 15273, 17703, 35637, 106911, 476857, 1430571, 3337999, 4291713, 10013997, 30041991]

約数ペア:

[(1, 30041991), (3, 10013997), (7, 4291713), (9, 3337999), (21, 1430571), (63, 476857), (281, 106911), (843, 35637), (1697, 17703), (1967, 15273), (2529, 11879), (5091, 5901)]