8400441

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1303}}^1$

素因数の和:1620

約数の個数: 16

約数和(自身を含む): 12852224

約数和(自身を除く): 4451783

約数列:

[1, 3, 7, 21, 307, 921, 1303, 2149, 3909, 6447, 9121, 27363, 400021, 1200063, 2800147, 8400441]

約数ペア:

[(1, 8400441), (3, 2800147), (7, 1200063), (21, 400021), (307, 27363), (921, 9121), (1303, 6447), (2149, 3909)]