81481336923

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{16661}}^1$

素因数の和:16817

約数の個数: 96

約数和(自身を含む): 142232163840

約数和(自身を除く): 60750826917

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 103, 119, 133, 147, 309, 323, 357, 399, 721, 833, 931, 969, 1751, 1957, 2163, 2261, 2499, 2793, 5047, 5253, 5871, 6783, 12257, 13699, 15141, 15827, 16661, 33269, 36771, 41097, 47481, 49983, 85799, 95893, 99807, 116627, 232883, 257397, 283237, 287679, 316559, 349881, 698649, 816389, 849711, 949677, 1630181, 1716083, 1982659, 2215913, 2449167, 4890543, 5148249, 5381503, 5947977, 6647739, 12012581, 13878613, 15511391, 16144509, 29173411, 32605577, 36037743, 37670521, 41635839, 46534173, 84088067, 87520233, 97816731, 113011563, 204213877, 228239039, 252264201, 263693647, 554294809, 612641631, 684717117, 791080941, 1429497139, 1597673273, 1662884427, 3880063663, 4288491417, 4793019819, 11640190989, 27160445641, 81481336923]

約数ペア:

[(1, 81481336923), (3, 27160445641), (7, 11640190989), (17, 4793019819), (19, 4288491417), (21, 3880063663), (49, 1662884427), (51, 1597673273), (57, 1429497139), (103, 791080941), (119, 684717117), (133, 612641631), (147, 554294809), (309, 263693647), (323, 252264201), (357, 228239039), (399, 204213877), (721, 113011563), (833, 97816731), (931, 87520233), (969, 84088067), (1751, 46534173), (1957, 41635839), (2163, 37670521), (2261, 36037743), (2499, 32605577), (2793, 29173411), (5047, 16144509), (5253, 15511391), (5871, 13878613), (6783, 12012581), (12257, 6647739), (13699, 5947977), (15141, 5381503), (15827, 5148249), (16661, 4890543), (33269, 2449167), (36771, 2215913), (41097, 1982659), (47481, 1716083), (49983, 1630181), (85799, 949677), (95893, 849711), (99807, 816389), (116627, 698649), (232883, 349881), (257397, 316559), (283237, 287679)]