1291222821

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{574643}}^1$

素因数の和:574760

約数の個数: 16

約数和(自身を含む): 1985969664

約数和(自身を除く): 694746843

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 574643, 1723929, 4022501, 12067503, 61486801, 184460403, 430407607, 1291222821]

約数ペア:

[(1, 1291222821), (3, 430407607), (7, 184460403), (21, 61486801), (107, 12067503), (321, 4022501), (749, 1723929), (2247, 574643)]