15721824069

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1787}}^1\times {\mathrm{1913}}^1$

素因数の和:3786

約数の個数: 48

約数和(自身を含む): 26337497472

約数和(自身を除く): 10615673403

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 1787, 1913, 4599, 5361, 5739, 12509, 13391, 16083, 17217, 37527, 40173, 112581, 120519, 130451, 139649, 391353, 418947, 913157, 977543, 1174059, 1256841, 2739471, 2932629, 3418531, 8218413, 8797887, 10255593, 23929717, 30766779, 71789151, 215367453, 249552763, 748658289, 1746869341, 2245974867, 5240608023, 15721824069]

約数ペア:

[(1, 15721824069), (3, 5240608023), (7, 2245974867), (9, 1746869341), (21, 748658289), (63, 249552763), (73, 215367453), (219, 71789151), (511, 30766779), (657, 23929717), (1533, 10255593), (1787, 8797887), (1913, 8218413), (4599, 3418531), (5361, 2932629), (5739, 2739471), (12509, 1256841), (13391, 1174059), (16083, 977543), (17217, 913157), (37527, 418947), (40173, 391353), (112581, 139649), (120519, 130451)]