1991547

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1104

約数の個数: 20

約数和(自身を含む): 3107280

約数和(自身を除く): 1115733

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1069, 1863, 3207, 9621, 24587, 28863, 73761, 86589, 221283, 663849, 1991547]

約数ペア:

[(1, 1991547), (3, 663849), (9, 221283), (23, 86589), (27, 73761), (69, 28863), (81, 24587), (207, 9621), (621, 3207), (1069, 1863)]