81206399

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 94899840

約数和(自身を除く): 13693441

約数列:

[1, 17, 19, 23, 289, 323, 391, 437, 643, 5491, 6647, 7429, 10931, 12217, 14789, 126293, 185827, 207689, 251413, 280991, 3530713, 4274021, 4776847, 81206399]

約数ペア:

[(1, 81206399), (17, 4776847), (19, 4274021), (23, 3530713), (289, 280991), (323, 251413), (391, 207689), (437, 185827), (643, 126293), (5491, 14789), (6647, 12217), (7429, 10931)]