18405333

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 9979947

約数列:

[1, 3, 9, 27, 43, 83, 129, 191, 249, 387, 573, 747, 1161, 1719, 2241, 3569, 5157, 8213, 10707, 15853, 24639, 32121, 47559, 73917, 96363, 142677, 221751, 428031, 681679, 2045037, 6135111, 18405333]

約数ペア:

[(1, 18405333), (3, 6135111), (9, 2045037), (27, 681679), (43, 428031), (83, 221751), (129, 142677), (191, 96363), (249, 73917), (387, 47559), (573, 32121), (747, 24639), (1161, 15853), (1719, 10707), (2241, 8213), (3569, 5157)]