156940209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53987}}^1$

素因数の和:54029

約数の個数: 24

約数和(自身を含む): 252663840

約数和(自身を除く): 95723631

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 53987, 161961, 485883, 917779, 1025753, 2753337, 3077259, 8260011, 9231777, 17437801, 52313403, 156940209]

約数ペア:

[(1, 156940209), (3, 52313403), (9, 17437801), (17, 9231777), (19, 8260011), (51, 3077259), (57, 2753337), (153, 1025753), (171, 917779), (323, 485883), (969, 161961), (2907, 53987)]