40820193

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{21911}}^1$

素因数の和:21946

約数の個数: 20

約数和(自身を含む): 63632448

約数和(自身を除く): 22812255

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 21911, 65733, 197199, 503953, 591597, 1511859, 1774791, 4535577, 13606731, 40820193]

約数ペア:

[(1, 40820193), (3, 13606731), (9, 4535577), (23, 1774791), (27, 1511859), (69, 591597), (81, 503953), (207, 197199), (621, 65733), (1863, 21911)]