80545689

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{31183}}^1$

素因数の和:31237

約数の個数: 24

約数和(自身を含む): 136211712

約数和(自身を除く): 55666023

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 31183, 93549, 218281, 280647, 654843, 1278503, 1964529, 3835509, 8949521, 11506527, 26848563, 80545689]

約数ペア:

[(1, 80545689), (3, 26848563), (7, 11506527), (9, 8949521), (21, 3835509), (41, 1964529), (63, 1278503), (123, 654843), (287, 280647), (369, 218281), (861, 93549), (2583, 31183)]