1520762217

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 2378478816

約数和(自身を除く): 857716599

約数列:

[1, 3, 13, 17, 39, 51, 97, 107, 169, 221, 289, 291, 321, 507, 663, 867, 1261, 1391, 1649, 1819, 2873, 3757, 3783, 4173, 4947, 5457, 8619, 10379, 11271, 16393, 18083, 21437, 23647, 28033, 30923, 31137, 48841, 49179, 54249, 64311, 70941, 84099, 92769, 134927, 146523, 176443, 278681, 307411, 364429, 401999, 404781, 529329, 836043, 922233, 1093287, 1205997, 1754051, 2293759, 2999531, 4737577, 5225987, 5262153, 6881277, 8998593, 14212731, 15677961, 29818867, 38993903, 89456601, 116981709, 506920739, 1520762217]

約数ペア:

[(1, 1520762217), (3, 506920739), (13, 116981709), (17, 89456601), (39, 38993903), (51, 29818867), (97, 15677961), (107, 14212731), (169, 8998593), (221, 6881277), (289, 5262153), (291, 5225987), (321, 4737577), (507, 2999531), (663, 2293759), (867, 1754051), (1261, 1205997), (1391, 1093287), (1649, 922233), (1819, 836043), (2873, 529329), (3757, 404781), (3783, 401999), (4173, 364429), (4947, 307411), (5457, 278681), (8619, 176443), (10379, 146523), (11271, 134927), (16393, 92769), (18083, 84099), (21437, 70941), (23647, 64311), (28033, 54249), (30923, 49179), (31137, 48841)]