9639819

素因数分解:

$3^2\times 7^2\times {\mathrm{21859}}^1$

素因数の和:21879

約数の個数: 18

約数和(自身を含む): 16198260

約数和(自身を除く): 6558441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 21859, 65577, 153013, 196731, 459039, 1071091, 1377117, 3213273, 9639819]

約数ペア:

[(1, 9639819), (3, 3213273), (7, 1377117), (9, 1071091), (21, 459039), (49, 196731), (63, 153013), (147, 65577), (441, 21859)]