31684527

素因数分解:

$3^6\times 7^2\times {\mathrm{887}}^1$

素因数の和:919

約数の個数: 42

約数和(自身を含む): 55323288

約数和(自身を除く): 23638761

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 887, 1323, 1701, 2661, 3969, 5103, 6209, 7983, 11907, 18627, 23949, 35721, 43463, 55881, 71847, 130389, 167643, 215541, 391167, 502929, 646623, 1173501, 1508787, 3520503, 4526361, 10561509, 31684527]

約数ペア:

[(1, 31684527), (3, 10561509), (7, 4526361), (9, 3520503), (21, 1508787), (27, 1173501), (49, 646623), (63, 502929), (81, 391167), (147, 215541), (189, 167643), (243, 130389), (441, 71847), (567, 55881), (729, 43463), (887, 35721), (1323, 23949), (1701, 18627), (2661, 11907), (3969, 7983), (5103, 6209)]