218647593

素因数分解:

$3^4\times {\mathrm{431}}^1\times {\mathrm{6263}}^1$

素因数の和:6706

約数の個数: 20

約数和(自身を含む): 327431808

約数和(自身を除く): 108784215

約数列:

[1, 3, 9, 27, 81, 431, 1293, 3879, 6263, 11637, 18789, 34911, 56367, 169101, 507303, 2699353, 8098059, 24294177, 72882531, 218647593]

約数ペア:

[(1, 218647593), (3, 72882531), (9, 24294177), (27, 8098059), (81, 2699353), (431, 507303), (1293, 169101), (3879, 56367), (6263, 34911), (11637, 18789)]