161824959

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{68891}}^1$

素因数の和:68932

約数の個数: 20

約数和(自身を含む): 250077960

約数和(自身を除く): 88253001

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 68891, 206673, 620019, 1860057, 1997839, 5580171, 5993517, 17980551, 53941653, 161824959]

約数ペア:

[(1, 161824959), (3, 53941653), (9, 17980551), (27, 5993517), (29, 5580171), (81, 1997839), (87, 1860057), (261, 620019), (783, 206673), (2349, 68891)]