31541643

素因数分解:

$3^6\times 7^2\times {\mathrm{883}}^1$

素因数の和:915

約数の個数: 42

約数和(自身を含む): 55074084

約数和(自身を除く): 23532441

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 883, 1323, 1701, 2649, 3969, 5103, 6181, 7947, 11907, 18543, 23841, 35721, 43267, 55629, 71523, 129801, 166887, 214569, 389403, 500661, 643707, 1168209, 1501983, 3504627, 4505949, 10513881, 31541643]

約数ペア:

[(1, 31541643), (3, 10513881), (7, 4505949), (9, 3504627), (21, 1501983), (27, 1168209), (49, 643707), (63, 500661), (81, 389403), (147, 214569), (189, 166887), (243, 129801), (441, 71523), (567, 55629), (729, 43267), (883, 35721), (1323, 23841), (1701, 18543), (2649, 11907), (3969, 7947), (5103, 6181)]