30838689

素因数分解:

$3^2\times 7^2\times {\mathrm{69929}}^1$

素因数の和:69949

約数の個数: 18

約数和(自身を含む): 51818130

約数和(自身を除く): 20979441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 69929, 209787, 489503, 629361, 1468509, 3426521, 4405527, 10279563, 30838689]

約数ペア:

[(1, 30838689), (3, 10279563), (7, 4405527), (9, 3426521), (21, 1468509), (49, 629361), (63, 489503), (147, 209787), (441, 69929)]