13684221

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{701}}^1$

素因数の和:954

約数の個数: 20

約数和(自身を含む): 20555964

約数和(自身を除く): 6871743

約数列:

[1, 3, 9, 27, 81, 241, 701, 723, 2103, 2169, 6309, 6507, 18927, 19521, 56781, 168941, 506823, 1520469, 4561407, 13684221]

約数ペア:

[(1, 13684221), (3, 4561407), (9, 1520469), (27, 506823), (81, 168941), (241, 56781), (701, 19521), (723, 18927), (2103, 6507), (2169, 6309)]