229807557

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 408862720

約数和(自身を除く): 179055163

約数列:

[1, 3, 7, 9, 21, 27, 31, 61, 63, 93, 183, 189, 217, 279, 427, 549, 643, 651, 837, 1281, 1647, 1891, 1929, 1953, 3843, 4501, 5673, 5787, 5859, 11529, 13237, 13503, 17019, 17361, 19933, 39223, 39711, 40509, 51057, 59799, 117669, 119133, 121527, 139531, 179397, 274561, 353007, 357399, 418593, 538191, 823683, 1059021, 1215913, 1255779, 2471049, 3647739, 3767337, 7413147, 8511391, 10943217, 25534173, 32829651, 76602519, 229807557]

約数ペア:

[(1, 229807557), (3, 76602519), (7, 32829651), (9, 25534173), (21, 10943217), (27, 8511391), (31, 7413147), (61, 3767337), (63, 3647739), (93, 2471049), (183, 1255779), (189, 1215913), (217, 1059021), (279, 823683), (427, 538191), (549, 418593), (643, 357399), (651, 353007), (837, 274561), (1281, 179397), (1647, 139531), (1891, 121527), (1929, 119133), (1953, 117669), (3843, 59799), (4501, 51057), (5673, 40509), (5787, 39711), (5859, 39223), (11529, 19933), (13237, 17361), (13503, 17019)]