920395917

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{136537}}^1$

素因数の和:136657

約数の個数: 24

約数和(自身を含む): 1533594816

約数和(自身を除く): 613198899

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 136537, 409611, 955759, 1228833, 2867277, 8601831, 14609459, 43828377, 102266213, 131485131, 306798639, 920395917]

約数ペア:

[(1, 920395917), (3, 306798639), (7, 131485131), (9, 102266213), (21, 43828377), (63, 14609459), (107, 8601831), (321, 2867277), (749, 1228833), (963, 955759), (2247, 409611), (6741, 136537)]