80252289

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{76213}}^1$

素因数の和:76238

約数の個数: 20

約数和(自身を含む): 129106516

約数和(自身を除く): 48854227

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 76213, 228639, 685917, 990769, 2057751, 2972307, 6173253, 8916921, 26750763, 80252289]

約数ペア:

[(1, 80252289), (3, 26750763), (9, 8916921), (13, 6173253), (27, 2972307), (39, 2057751), (81, 990769), (117, 685917), (351, 228639), (1053, 76213)]