280355823

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 491774976

約数和(自身を除く): 211419153

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 83, 99, 153, 187, 223, 249, 297, 459, 561, 669, 747, 891, 913, 1377, 1411, 1683, 2007, 2241, 2453, 2739, 3791, 4233, 5049, 6021, 6723, 7359, 8217, 11373, 12699, 15147, 15521, 18063, 18509, 22077, 24651, 34119, 38097, 41701, 46563, 55527, 66231, 73953, 102357, 114291, 125103, 139689, 166581, 198693, 203599, 307071, 314653, 375309, 419067, 499743, 610797, 943959, 1125927, 1257201, 1499229, 1832391, 2831877, 3377781, 3461183, 5497173, 8495631, 10383549, 16491519, 25486893, 31150647, 93451941, 280355823]

約数ペア:

[(1, 280355823), (3, 93451941), (9, 31150647), (11, 25486893), (17, 16491519), (27, 10383549), (33, 8495631), (51, 5497173), (81, 3461183), (83, 3377781), (99, 2831877), (153, 1832391), (187, 1499229), (223, 1257201), (249, 1125927), (297, 943959), (459, 610797), (561, 499743), (669, 419067), (747, 375309), (891, 314653), (913, 307071), (1377, 203599), (1411, 198693), (1683, 166581), (2007, 139689), (2241, 125103), (2453, 114291), (2739, 102357), (3791, 73953), (4233, 66231), (5049, 55527), (6021, 46563), (6723, 41701), (7359, 38097), (8217, 34119), (11373, 24651), (12699, 22077), (15147, 18509), (15521, 18063)]