287922789

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 577843200

約数和(自身を除く): 289920411

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 37, 57, 63, 77, 99, 111, 133, 171, 189, 197, 209, 231, 259, 297, 333, 399, 407, 513, 591, 627, 693, 703, 777, 999, 1197, 1221, 1379, 1463, 1773, 1881, 2079, 2109, 2167, 2331, 2849, 3591, 3663, 3743, 4137, 4389, 4921, 5319, 5643, 6327, 6501, 6993, 7289, 7733, 8547, 10989, 11229, 12411, 13167, 14763, 15169, 18981, 19503, 21867, 23199, 25641, 26201, 33687, 37233, 39501, 41173, 44289, 45507, 51023, 54131, 58509, 65601, 69597, 76923, 78603, 80179, 101061, 123519, 132867, 136521, 138491, 153069, 162393, 196803, 208791, 235809, 240537, 288211, 370557, 409563, 415473, 459207, 487179, 561253, 707427, 721611, 864633, 969437, 1111671, 1246419, 1377621, 1461537, 1523401, 1683759, 2164833, 2593899, 2908311, 3739257, 4570203, 5051277, 7781697, 8724933, 10663807, 13710609, 15153831, 26174799, 31991421, 41131827, 95974263, 287922789]

約数ペア:

[(1, 287922789), (3, 95974263), (7, 41131827), (9, 31991421), (11, 26174799), (19, 15153831), (21, 13710609), (27, 10663807), (33, 8724933), (37, 7781697), (57, 5051277), (63, 4570203), (77, 3739257), (99, 2908311), (111, 2593899), (133, 2164833), (171, 1683759), (189, 1523401), (197, 1461537), (209, 1377621), (231, 1246419), (259, 1111671), (297, 969437), (333, 864633), (399, 721611), (407, 707427), (513, 561253), (591, 487179), (627, 459207), (693, 415473), (703, 409563), (777, 370557), (999, 288211), (1197, 240537), (1221, 235809), (1379, 208791), (1463, 196803), (1773, 162393), (1881, 153069), (2079, 138491), (2109, 136521), (2167, 132867), (2331, 123519), (2849, 101061), (3591, 80179), (3663, 78603), (3743, 76923), (4137, 69597), (4389, 65601), (4921, 58509), (5319, 54131), (5643, 51023), (6327, 45507), (6501, 44289), (6993, 41173), (7289, 39501), (7733, 37233), (8547, 33687), (10989, 26201), (11229, 25641), (12411, 23199), (13167, 21867), (14763, 19503), (15169, 18981)]