51379839

素因数分解:

$3^4\times 7^1\times {\mathrm{90617}}^1$

素因数の和:90636

約数の個数: 20

約数和(自身を含む): 87718224

約数和(自身を除く): 36338385

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 90617, 271851, 634319, 815553, 1902957, 2446659, 5708871, 7339977, 17126613, 51379839]

約数ペア:

[(1, 51379839), (3, 17126613), (7, 7339977), (9, 5708871), (21, 2446659), (27, 1902957), (63, 815553), (81, 634319), (189, 271851), (567, 90617)]