81467155

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 137237760

約数和(自身を除く): 55770605

約数列:

[1, 5, 7, 11, 19, 35, 37, 43, 49, 55, 77, 95, 133, 185, 209, 215, 245, 259, 301, 385, 407, 473, 539, 665, 703, 817, 931, 1045, 1295, 1463, 1505, 1591, 1813, 2035, 2107, 2365, 2695, 2849, 3311, 3515, 4085, 4655, 4921, 5719, 7315, 7733, 7955, 8987, 9065, 10241, 10535, 11137, 14245, 16555, 17501, 19943, 23177, 24605, 28595, 30229, 34447, 38665, 40033, 44935, 51205, 54131, 55685, 62909, 77959, 87505, 99715, 115885, 122507, 151145, 172235, 200165, 211603, 270655, 314545, 332519, 378917, 389795, 440363, 612535, 857549, 1058015, 1481221, 1662595, 1894585, 2201815, 2327633, 4287745, 7406105, 11638165, 16293431, 81467155]

約数ペア:

[(1, 81467155), (5, 16293431), (7, 11638165), (11, 7406105), (19, 4287745), (35, 2327633), (37, 2201815), (43, 1894585), (49, 1662595), (55, 1481221), (77, 1058015), (95, 857549), (133, 612535), (185, 440363), (209, 389795), (215, 378917), (245, 332519), (259, 314545), (301, 270655), (385, 211603), (407, 200165), (473, 172235), (539, 151145), (665, 122507), (703, 115885), (817, 99715), (931, 87505), (1045, 77959), (1295, 62909), (1463, 55685), (1505, 54131), (1591, 51205), (1813, 44935), (2035, 40033), (2107, 38665), (2365, 34447), (2695, 30229), (2849, 28595), (3311, 24605), (3515, 23177), (4085, 19943), (4655, 17501), (4921, 16555), (5719, 14245), (7315, 11137), (7733, 10535), (7955, 10241), (8987, 9065)]