4211991

素因数分解:

$3^2\times 7^2\times {\mathrm{9551}}^1$

素因数の和:9571

約数の個数: 18

約数和(自身を含む): 7078032

約数和(自身を除く): 2866041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 9551, 28653, 66857, 85959, 200571, 467999, 601713, 1403997, 4211991]

約数ペア:

[(1, 4211991), (3, 1403997), (7, 601713), (9, 467999), (21, 200571), (49, 85959), (63, 66857), (147, 28653), (441, 9551)]