205431093

素因数分解:

$3^3\times 7^1\times {\mathrm{1086937}}^1$

素因数の和:1086953

約数の個数: 16

約数和(自身を含む): 347820160

約数和(自身を除く): 142389067

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1086937, 3260811, 7608559, 9782433, 22825677, 29347299, 68477031, 205431093]

約数ペア:

[(1, 205431093), (3, 68477031), (7, 29347299), (9, 22825677), (21, 9782433), (27, 7608559), (63, 3260811), (189, 1086937)]