31731021

素因数分解:

$3^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 54641664

約数和(自身を除く): 22910643

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 191, 293, 567, 573, 879, 1337, 1719, 2051, 2637, 4011, 5157, 6153, 7911, 12033, 15471, 18459, 23733, 36099, 55377, 55963, 108297, 166131, 167889, 391741, 503667, 1175223, 1511001, 3525669, 4533003, 10577007, 31731021]

約数ペア:

[(1, 31731021), (3, 10577007), (7, 4533003), (9, 3525669), (21, 1511001), (27, 1175223), (63, 503667), (81, 391741), (189, 167889), (191, 166131), (293, 108297), (567, 55963), (573, 55377), (879, 36099), (1337, 23733), (1719, 18459), (2051, 15471), (2637, 12033), (4011, 7911), (5157, 6153)]