139075181

素因数分解:

$7^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 182726400

約数和(自身を除く): 43651219

約数列:

[1, 7, 17, 23, 49, 61, 119, 161, 289, 343, 391, 427, 833, 1037, 1127, 1403, 2023, 2737, 2989, 5831, 6647, 7259, 7889, 9821, 14161, 17629, 19159, 20923, 23851, 46529, 50813, 68747, 99127, 123403, 134113, 166957, 325703, 355691, 405467, 481229, 863821, 1168699, 2279921, 2838269, 6046747, 8180893, 19867883, 139075181]

約数ペア:

[(1, 139075181), (7, 19867883), (17, 8180893), (23, 6046747), (49, 2838269), (61, 2279921), (119, 1168699), (161, 863821), (289, 481229), (343, 405467), (391, 355691), (427, 325703), (833, 166957), (1037, 134113), (1127, 123403), (1403, 99127), (2023, 68747), (2737, 50813), (2989, 46529), (5831, 23851), (6647, 20923), (7259, 19159), (7889, 17629), (9821, 14161)]