87951747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 133733376

約数和(自身を除く): 45781629

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 299, 897, 923, 1381, 1633, 2769, 4143, 4899, 17953, 21229, 31763, 53859, 63687, 95289, 98051, 294153, 412919, 1238757, 1274663, 2255173, 3823989, 6765519, 29317249, 87951747]

約数ペア:

[(1, 87951747), (3, 29317249), (13, 6765519), (23, 3823989), (39, 2255173), (69, 1274663), (71, 1238757), (213, 412919), (299, 294153), (897, 98051), (923, 95289), (1381, 63687), (1633, 53859), (2769, 31763), (4143, 21229), (4899, 17953)]