18002331

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2039}}^1$

素因数の和:2160

約数の個数: 20

約数和(自身を含む): 27152400

約数和(自身を除く): 9150069

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2039, 2943, 6117, 8829, 18351, 55053, 165159, 222251, 666753, 2000259, 6000777, 18002331]

約数ペア:

[(1, 18002331), (3, 6000777), (9, 2000259), (27, 666753), (81, 222251), (109, 165159), (327, 55053), (981, 18351), (2039, 8829), (2943, 6117)]