205087481361

素因数分解:

$3^3\times 7^1\times {\mathrm{1085118949}}^1$

素因数の和:1085118965

約数の個数: 16

約数和(自身を含む): 347238064000

約数和(自身を除く): 142150582639

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1085118949, 3255356847, 7595832643, 9766070541, 22787497929, 29298211623, 68362493787, 205087481361]

約数ペア:

[(1, 205087481361), (3, 68362493787), (7, 29298211623), (9, 22787497929), (21, 9766070541), (27, 7595832643), (63, 3255356847), (189, 1085118949)]