80847621

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1973}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 121637880

約数和(自身を除く): 40790259

約数列:

[1, 3, 9, 29, 87, 157, 261, 471, 1413, 1973, 4553, 5919, 13659, 17757, 40977, 57217, 171651, 309761, 514953, 929283, 2787849, 8983069, 26949207, 80847621]

約数ペア:

[(1, 80847621), (3, 26949207), (9, 8983069), (29, 2787849), (87, 929283), (157, 514953), (261, 309761), (471, 171651), (1413, 57217), (1973, 40977), (4553, 17757), (5919, 13659)]