81231137

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{911}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 92440320

約数和(自身を除く): 11209183

約数列:

[1, 13, 19, 247, 361, 911, 4693, 6859, 11843, 17309, 89167, 225017, 328871, 4275323, 6248549, 81231137]

約数ペア:

[(1, 81231137), (13, 6248549), (19, 4275323), (247, 328871), (361, 225017), (911, 89167), (4693, 17309), (6859, 11843)]