87871959

素因数分解:

$3^5\times 7^1\times {\mathrm{51659}}^1$

素因数の和:51681

約数の個数: 24

約数和(自身を含む): 150433920

約数和(自身を除く): 62561961

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 51659, 154977, 361613, 464931, 1084839, 1394793, 3254517, 4184379, 9763551, 12553137, 29290653, 87871959]

約数ペア:

[(1, 87871959), (3, 29290653), (7, 12553137), (9, 9763551), (21, 4184379), (27, 3254517), (63, 1394793), (81, 1084839), (189, 464931), (243, 361613), (567, 154977), (1701, 51659)]