81203213

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{1201}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 100160256

約数和(自身を除く): 18957043

約数列:

[1, 7, 13, 91, 743, 1201, 5201, 8407, 9659, 15613, 67613, 109291, 892343, 6246401, 11600459, 81203213]

約数ペア:

[(1, 81203213), (7, 11600459), (13, 6246401), (91, 892343), (743, 109291), (1201, 67613), (5201, 15613), (8407, 9659)]