68938821

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{57593}}^1$

素因数の和:57625

約数の個数: 24

約数和(自身を含む): 119795520

約数和(自身を除く): 50856699

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 57593, 172779, 403151, 518337, 1094267, 1209453, 3282801, 3628359, 7659869, 9848403, 22979607, 68938821]

約数ペア:

[(1, 68938821), (3, 22979607), (7, 9848403), (9, 7659869), (19, 3628359), (21, 3282801), (57, 1209453), (63, 1094267), (133, 518337), (171, 403151), (399, 172779), (1197, 57593)]