218412212481

素因数分解:

$3^3\times {\mathrm{13291}}^1\times {\mathrm{608633}}^1$

素因数の和:621933

約数の個数: 16

約数和(自身を含む): 323598525120

約数和(自身を除く): 105186312639

約数列:

[1, 3, 9, 27, 13291, 39873, 119619, 358857, 608633, 1825899, 5477697, 16433091, 8089341203, 24268023609, 72804070827, 218412212481]

約数ペア:

[(1, 218412212481), (3, 72804070827), (9, 24268023609), (27, 8089341203), (13291, 16433091), (39873, 5477697), (119619, 1825899), (358857, 608633)]