2193885

素因数分解:

$3^4\times 5^1\times {\mathrm{5417}}^1$

素因数の和:5434

約数の個数: 20

約数和(自身を含む): 3933468

約数和(自身を除く): 1739583

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5417, 16251, 27085, 48753, 81255, 146259, 243765, 438777, 731295, 2193885]

約数ペア:

[(1, 2193885), (3, 731295), (5, 438777), (9, 243765), (15, 146259), (27, 81255), (45, 48753), (81, 27085), (135, 16251), (405, 5417)]