81858959

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1201}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 103593168

約数和(自身を除く): 21734209

約数列:

[1, 7, 13, 49, 91, 107, 637, 749, 1201, 1391, 5243, 8407, 9737, 15613, 58849, 68159, 109291, 128507, 765037, 899549, 1670591, 6296843, 11694137, 81858959]

約数ペア:

[(1, 81858959), (7, 11694137), (13, 6296843), (49, 1670591), (91, 899549), (107, 765037), (637, 128507), (749, 109291), (1201, 68159), (1391, 58849), (5243, 15613), (8407, 9737)]