18360999

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{541}}^1$

素因数の和:972

約数の個数: 20

約数和(自身を含む): 27544440

約数和(自身を除く): 9183441

約数列:

[1, 3, 9, 27, 81, 419, 541, 1257, 1623, 3771, 4869, 11313, 14607, 33939, 43821, 226679, 680037, 2040111, 6120333, 18360999]

約数ペア:

[(1, 18360999), (3, 6120333), (9, 2040111), (27, 680037), (81, 226679), (419, 43821), (541, 33939), (1257, 14607), (1623, 11313), (3771, 4869)]