218960091

素因数分解:

$3^4\times 7^1\times {\mathrm{386173}}^1$

素因数の和:386192

約数の個数: 20

約数和(自身を含む): 373816432

約数和(自身を除く): 154856341

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 386173, 1158519, 2703211, 3475557, 8109633, 10426671, 24328899, 31280013, 72986697, 218960091]

約数ペア:

[(1, 218960091), (3, 72986697), (7, 31280013), (9, 24328899), (21, 10426671), (27, 8109633), (63, 3475557), (81, 2703211), (189, 1158519), (567, 386173)]