1314856221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1\times {\mathrm{691}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 2126089728

約数和(自身を除く): 811233507

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 361, 399, 691, 753, 1083, 1757, 2073, 2527, 4769, 4837, 5271, 7581, 13129, 14307, 14511, 33383, 39387, 90611, 91903, 100149, 173441, 249451, 271833, 275709, 520323, 634277, 748353, 1214087, 1746157, 1902831, 3295379, 3642261, 5238471, 9886137, 23067653, 62612201, 69202959, 187836603, 438285407, 1314856221]

約数ペア:

[(1, 1314856221), (3, 438285407), (7, 187836603), (19, 69202959), (21, 62612201), (57, 23067653), (133, 9886137), (251, 5238471), (361, 3642261), (399, 3295379), (691, 1902831), (753, 1746157), (1083, 1214087), (1757, 748353), (2073, 634277), (2527, 520323), (4769, 275709), (4837, 271833), (5271, 249451), (7581, 173441), (13129, 100149), (14307, 91903), (14511, 90611), (33383, 39387)]