491184405

素因数分解:

$3^5\times 5^1\times {\mathrm{404267}}^1$

素因数の和:404287

約数の個数: 24

約数和(自身を含む): 882921312

約数和(自身を除く): 391736907

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 404267, 1212801, 2021335, 3638403, 6064005, 10915209, 18192015, 32745627, 54576045, 98236881, 163728135, 491184405]

約数ペア:

[(1, 491184405), (3, 163728135), (5, 98236881), (9, 54576045), (15, 32745627), (27, 18192015), (45, 10915209), (81, 6064005), (135, 3638403), (243, 2021335), (405, 1212801), (1215, 404267)]