3967383

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 6229872

約数和(自身を除く): 2262489

約数列:

[1, 3, 7, 21, 49, 137, 147, 197, 411, 591, 959, 1379, 2877, 4137, 6713, 9653, 20139, 26989, 28959, 80967, 188923, 566769, 1322461, 3967383]

約数ペア:

[(1, 3967383), (3, 1322461), (7, 566769), (21, 188923), (49, 80967), (137, 28959), (147, 26989), (197, 20139), (411, 9653), (591, 6713), (959, 4137), (1379, 2877)]