1640672271

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{10993}}^1$

素因数の和:11132

約数の個数: 48

約数和(自身を含む): 2853866496

約数和(自身を除く): 1213194225

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 103, 161, 207, 309, 483, 721, 927, 1449, 2163, 2369, 6489, 7107, 10993, 16583, 21321, 32979, 49749, 76951, 98937, 149247, 230853, 252839, 692559, 758517, 1132279, 1769873, 2275551, 3396837, 5309619, 7925953, 10190511, 15928857, 23777859, 26042417, 71333577, 78127251, 182296919, 234381753, 546890757, 1640672271]

約数ペア:

[(1, 1640672271), (3, 546890757), (7, 234381753), (9, 182296919), (21, 78127251), (23, 71333577), (63, 26042417), (69, 23777859), (103, 15928857), (161, 10190511), (207, 7925953), (309, 5309619), (483, 3396837), (721, 2275551), (927, 1769873), (1449, 1132279), (2163, 758517), (2369, 692559), (6489, 252839), (7107, 230853), (10993, 149247), (16583, 98937), (21321, 76951), (32979, 49749)]