81499873

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47137}}^1$

素因数の和:47176

約数の個数: 16

約数和(自身を含む): 105589120

約数和(自身を除く): 24089247

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 47137, 329959, 612781, 895603, 4289467, 6269221, 11642839, 81499873]

約数ペア:

[(1, 81499873), (7, 11642839), (13, 6269221), (19, 4289467), (91, 895603), (133, 612781), (247, 329959), (1729, 47137)]