81723551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2833}}^1$

素因数の和:3170

約数の個数: 16

約数和(自身を含む): 100935744

約数和(自身を除く): 19212193

約数列:

[1, 7, 13, 91, 317, 2219, 2833, 4121, 19831, 28847, 36829, 257803, 898061, 6286427, 11674793, 81723551]

約数ペア:

[(1, 81723551), (7, 11674793), (13, 6286427), (91, 898061), (317, 257803), (2219, 36829), (2833, 28847), (4121, 19831)]