678742011

素因数分解:

$3^8\times {\mathrm{103451}}^1$

素因数の和:103475

約数の個数: 18

約数和(自身を含む): 1018071132

約数和(自身を除く): 339329121

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 103451, 310353, 931059, 2793177, 8379531, 25138593, 75415779, 226247337, 678742011]

約数ペア:

[(1, 678742011), (3, 226247337), (9, 75415779), (27, 25138593), (81, 8379531), (243, 2793177), (729, 931059), (2187, 310353), (6561, 103451)]