68645619

素因数分解:

$3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 118955200

約数和(自身を除く): 50309581

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 343, 441, 601, 777, 1029, 1803, 1813, 2331, 3087, 4207, 5409, 5439, 12621, 12691, 16317, 22237, 29449, 37863, 38073, 66711, 88347, 114219, 155659, 200133, 206143, 265041, 466977, 618429, 1089613, 1400931, 1855287, 3268839, 7627291, 9806517, 22881873, 68645619]

約数ペア:

[(1, 68645619), (3, 22881873), (7, 9806517), (9, 7627291), (21, 3268839), (37, 1855287), (49, 1400931), (63, 1089613), (111, 618429), (147, 466977), (259, 265041), (333, 206143), (343, 200133), (441, 155659), (601, 114219), (777, 88347), (1029, 66711), (1803, 38073), (1813, 37863), (2331, 29449), (3087, 22237), (4207, 16317), (5409, 12691), (5439, 12621)]