127499994

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1857

約数の個数: 80

約数和(自身を含む): 313980480

約数和(自身を除く): 186480486

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 81, 114, 138, 162, 171, 207, 342, 414, 437, 513, 621, 874, 1026, 1242, 1311, 1539, 1801, 1863, 2622, 3078, 3602, 3726, 3933, 5403, 7866, 10806, 11799, 16209, 23598, 32418, 34219, 35397, 41423, 48627, 68438, 70794, 82846, 97254, 102657, 124269, 145881, 205314, 248538, 291762, 307971, 372807, 615942, 745614, 787037, 923913, 1118421, 1574074, 1847826, 2236842, 2361111, 2771739, 3355263, 4722222, 5543478, 6710526, 7083333, 14166666, 21249999, 42499998, 63749997, 127499994]

約数ペア:

[(1, 127499994), (2, 63749997), (3, 42499998), (6, 21249999), (9, 14166666), (18, 7083333), (19, 6710526), (23, 5543478), (27, 4722222), (38, 3355263), (46, 2771739), (54, 2361111), (57, 2236842), (69, 1847826), (81, 1574074), (114, 1118421), (138, 923913), (162, 787037), (171, 745614), (207, 615942), (342, 372807), (414, 307971), (437, 291762), (513, 248538), (621, 205314), (874, 145881), (1026, 124269), (1242, 102657), (1311, 97254), (1539, 82846), (1801, 70794), (1863, 68438), (2622, 48627), (3078, 41423), (3602, 35397), (3726, 34219), (3933, 32418), (5403, 23598), (7866, 16209), (10806, 11799)]