859637853

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{145381}}^1$

素因数の和:145466

約数の個数: 20

約数和(自身を含む): 1301750428

約数和(自身を除く): 442112575

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 145381, 436143, 1308429, 3925287, 10612813, 11775861, 31838439, 95515317, 286545951, 859637853]

約数ペア:

[(1, 859637853), (3, 286545951), (9, 95515317), (27, 31838439), (73, 11775861), (81, 10612813), (219, 3925287), (657, 1308429), (1971, 436143), (5913, 145381)]