168885

素因数分解:

$3^5\times 5^1\times {\mathrm{139}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 305760

約数和(自身を除く): 136875

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 243, 405, 417, 695, 1215, 1251, 2085, 3753, 6255, 11259, 18765, 33777, 56295, 168885]

約数ペア:

[(1, 168885), (3, 56295), (5, 33777), (9, 18765), (15, 11259), (27, 6255), (45, 3753), (81, 2085), (135, 1251), (139, 1215), (243, 695), (405, 417)]