71910081

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 105655680

約数和(自身を除く): 33745599

約数列:

[1, 3, 9, 101, 239, 303, 331, 717, 909, 993, 2151, 2979, 24139, 33431, 72417, 79109, 100293, 217251, 237327, 300879, 711981, 7990009, 23970027, 71910081]

約数ペア:

[(1, 71910081), (3, 23970027), (9, 7990009), (101, 711981), (239, 300879), (303, 237327), (331, 217251), (717, 100293), (909, 79109), (993, 72417), (2151, 33431), (2979, 24139)]