18179991

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{1607}}^1$

素因数の和:2035

約数の個数: 16

約数和(自身を含む): 27014400

約数和(自身を除く): 8834409

約数列:

[1, 3, 9, 27, 419, 1257, 1607, 3771, 4821, 11313, 14463, 43389, 673333, 2019999, 6059997, 18179991]

約数ペア:

[(1, 18179991), (3, 6059997), (9, 2019999), (27, 673333), (419, 43389), (1257, 14463), (1607, 11313), (3771, 4821)]