561065697

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{238853}}^1$

素因数の和:238894

約数の個数: 20

約数和(自身を含む): 867040020

約数和(自身を除く): 305974323

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 238853, 716559, 2149677, 6449031, 6926737, 19347093, 20780211, 62340633, 187021899, 561065697]

約数ペア:

[(1, 561065697), (3, 187021899), (9, 62340633), (27, 20780211), (29, 19347093), (81, 6926737), (87, 6449031), (261, 2149677), (783, 716559), (2349, 238853)]