15721289973

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{1217}}^1$

素因数の和:1523

約数の個数: 64

約数和(自身を含む): 24423141120

約数和(自身を除く): 8701851147

約数列:

[1, 3, 9, 27, 37, 67, 111, 193, 201, 333, 579, 603, 999, 1217, 1737, 1809, 2479, 3651, 5211, 7141, 7437, 10953, 12931, 21423, 22311, 32859, 38793, 45029, 64269, 66933, 81539, 116379, 135087, 192807, 234881, 244617, 349137, 405261, 478447, 704643, 733851, 1215783, 1435341, 2113929, 2201553, 3016943, 4306023, 6341787, 8690597, 9050829, 12918069, 15737027, 26071791, 27152487, 47211081, 78215373, 81457461, 141633243, 234646119, 424899729, 582269999, 1746809997, 5240429991, 15721289973]

約数ペア:

[(1, 15721289973), (3, 5240429991), (9, 1746809997), (27, 582269999), (37, 424899729), (67, 234646119), (111, 141633243), (193, 81457461), (201, 78215373), (333, 47211081), (579, 27152487), (603, 26071791), (999, 15737027), (1217, 12918069), (1737, 9050829), (1809, 8690597), (2479, 6341787), (3651, 4306023), (5211, 3016943), (7141, 2201553), (7437, 2113929), (10953, 1435341), (12931, 1215783), (21423, 733851), (22311, 704643), (32859, 478447), (38793, 405261), (45029, 349137), (64269, 244617), (66933, 234881), (81539, 192807), (116379, 135087)]