180009

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 16

約数和(自身を含む): 273600

約数和(自身を除く): 93591

約数列:

[1, 3, 9, 27, 59, 113, 177, 339, 531, 1017, 1593, 3051, 6667, 20001, 60003, 180009]

約数ペア:

[(1, 180009), (3, 60003), (9, 20001), (27, 6667), (59, 3051), (113, 1593), (177, 1017), (339, 531)]