81826686

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{21961}}^1$

素因数の和:21998

約数の個数: 40

約数和(自身を含む): 191332944

約数和(自身を除く): 109506258

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 21961, 43922, 65883, 131766, 197649, 395298, 505103, 592947, 1010206, 1185894, 1515309, 1778841, 3030618, 3557682, 4545927, 9091854, 13637781, 27275562, 40913343, 81826686]

約数ペア:

[(1, 81826686), (2, 40913343), (3, 27275562), (6, 13637781), (9, 9091854), (18, 4545927), (23, 3557682), (27, 3030618), (46, 1778841), (54, 1515309), (69, 1185894), (81, 1010206), (138, 592947), (162, 505103), (207, 395298), (414, 197649), (621, 131766), (1242, 65883), (1863, 43922), (3726, 21961)]