1388898081

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2833}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 2192835840

約数和(自身を除く): 803937759

約数列:

[1, 3, 9, 19, 47, 57, 61, 141, 171, 183, 423, 549, 893, 1159, 2679, 2833, 2867, 3477, 8037, 8499, 8601, 10431, 25497, 25803, 53827, 54473, 133151, 161481, 163419, 172813, 399453, 484443, 490257, 518439, 1198359, 1555317, 2529869, 3283447, 7589607, 8122211, 9850341, 22768821, 24366633, 29551023, 73099899, 154322009, 462966027, 1388898081]

約数ペア:

[(1, 1388898081), (3, 462966027), (9, 154322009), (19, 73099899), (47, 29551023), (57, 24366633), (61, 22768821), (141, 9850341), (171, 8122211), (183, 7589607), (423, 3283447), (549, 2529869), (893, 1555317), (1159, 1198359), (2679, 518439), (2833, 490257), (2867, 484443), (3477, 399453), (8037, 172813), (8499, 163419), (8601, 161481), (10431, 133151), (25497, 54473), (25803, 53827)]