271440897

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 480184320

約数和(自身を除く): 208743423

約数列:

[1, 3, 7, 13, 19, 21, 39, 43, 57, 91, 129, 133, 247, 273, 301, 399, 559, 741, 817, 903, 1217, 1677, 1729, 2451, 3651, 3913, 5187, 5719, 8519, 10621, 11739, 15821, 17157, 23123, 25557, 31863, 47463, 52331, 69369, 74347, 110747, 156993, 161861, 223041, 300599, 332241, 366317, 485583, 680303, 901797, 994289, 1098951, 2040909, 2104193, 2982867, 4762121, 6312579, 6960023, 12925757, 14286363, 20880069, 38777271, 90480299, 271440897]

約数ペア:

[(1, 271440897), (3, 90480299), (7, 38777271), (13, 20880069), (19, 14286363), (21, 12925757), (39, 6960023), (43, 6312579), (57, 4762121), (91, 2982867), (129, 2104193), (133, 2040909), (247, 1098951), (273, 994289), (301, 901797), (399, 680303), (559, 485583), (741, 366317), (817, 332241), (903, 300599), (1217, 223041), (1677, 161861), (1729, 156993), (2451, 110747), (3651, 74347), (3913, 69369), (5187, 52331), (5719, 47463), (8519, 31863), (10621, 25557), (11739, 23123), (15821, 17157)]