13405469

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 19152000

約数和(自身を除く): 5746531

約数列:

[1, 7, 11, 17, 19, 49, 77, 119, 121, 133, 187, 209, 323, 343, 539, 833, 847, 931, 1309, 1463, 2057, 2261, 2299, 3553, 3773, 5831, 5929, 6517, 9163, 10241, 14399, 15827, 16093, 24871, 39083, 41503, 64141, 71687, 100793, 110789, 112651, 174097, 273581, 705551, 788557, 1218679, 1915067, 13405469]

約数ペア:

[(1, 13405469), (7, 1915067), (11, 1218679), (17, 788557), (19, 705551), (49, 273581), (77, 174097), (119, 112651), (121, 110789), (133, 100793), (187, 71687), (209, 64141), (323, 41503), (343, 39083), (539, 24871), (833, 16093), (847, 15827), (931, 14399), (1309, 10241), (1463, 9163), (2057, 6517), (2261, 5929), (2299, 5831), (3553, 3773)]