31895721

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 56008960

約数和(自身を除く): 24113239

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 121, 143, 297, 351, 363, 429, 751, 1089, 1287, 1573, 2253, 3267, 3861, 4719, 6759, 8261, 9763, 14157, 20277, 24783, 29289, 42471, 74349, 87867, 90871, 107393, 223047, 263601, 272613, 322179, 817839, 966537, 1181323, 2453517, 2899611, 3543969, 10631907, 31895721]

約数ペア:

[(1, 31895721), (3, 10631907), (9, 3543969), (11, 2899611), (13, 2453517), (27, 1181323), (33, 966537), (39, 817839), (99, 322179), (117, 272613), (121, 263601), (143, 223047), (297, 107393), (351, 90871), (363, 87867), (429, 74349), (751, 42471), (1089, 29289), (1287, 24783), (1573, 20277), (2253, 14157), (3267, 9763), (3861, 8261), (4719, 6759)]