205977981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 328458240

約数和(自身を除く): 122480259

約数列:

[1, 3, 11, 29, 31, 33, 53, 87, 93, 131, 159, 319, 341, 393, 583, 899, 957, 1023, 1441, 1537, 1643, 1749, 2697, 3799, 4061, 4323, 4611, 4929, 6943, 9889, 11397, 12183, 16907, 18073, 20829, 29667, 41789, 44671, 47647, 50721, 54219, 76373, 117769, 125367, 134013, 142941, 201347, 215233, 229119, 353307, 524117, 604041, 645699, 1295459, 1572351, 2214817, 2367563, 3886377, 6241757, 6644451, 7102689, 18725271, 68659327, 205977981]

約数ペア:

[(1, 205977981), (3, 68659327), (11, 18725271), (29, 7102689), (31, 6644451), (33, 6241757), (53, 3886377), (87, 2367563), (93, 2214817), (131, 1572351), (159, 1295459), (319, 645699), (341, 604041), (393, 524117), (583, 353307), (899, 229119), (957, 215233), (1023, 201347), (1441, 142941), (1537, 134013), (1643, 125367), (1749, 117769), (2697, 76373), (3799, 54219), (4061, 50721), (4323, 47647), (4611, 44671), (4929, 41789), (6943, 29667), (9889, 20829), (11397, 18073), (12183, 16907)]