31917537

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 49920000

約数和(自身を除く): 18002463

約数列:

[1, 3, 9, 23, 27, 69, 103, 207, 309, 499, 621, 927, 1497, 2369, 2781, 4491, 7107, 11477, 13473, 21321, 34431, 51397, 63963, 103293, 154191, 309879, 462573, 1182131, 1387719, 3546393, 10639179, 31917537]

約数ペア:

[(1, 31917537), (3, 10639179), (9, 3546393), (23, 1387719), (27, 1182131), (69, 462573), (103, 309879), (207, 154191), (309, 103293), (499, 63963), (621, 51397), (927, 34431), (1497, 21321), (2369, 13473), (2781, 11477), (4491, 7107)]