2195991

素因数分解:

$3^5\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 3762304

約数和(自身を除く): 1566313

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1291, 1701, 3873, 9037, 11619, 27111, 34857, 81333, 104571, 243999, 313713, 731997, 2195991]

約数ペア:

[(1, 2195991), (3, 731997), (7, 313713), (9, 243999), (21, 104571), (27, 81333), (63, 34857), (81, 27111), (189, 11619), (243, 9037), (567, 3873), (1291, 1701)]