550718973

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20963}}^1$

素因数の和:21118

約数の個数: 32

約数和(自身を含む): 939187200

約数和(自身を除く): 388468227

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2919, 3753, 8757, 20963, 26271, 62889, 146741, 188667, 440223, 566001, 1320669, 2913857, 3962007, 8741571, 20396999, 26224713, 61190997, 78674139, 183572991, 550718973]

約数ペア:

[(1, 550718973), (3, 183572991), (7, 78674139), (9, 61190997), (21, 26224713), (27, 20396999), (63, 8741571), (139, 3962007), (189, 2913857), (417, 1320669), (973, 566001), (1251, 440223), (2919, 188667), (3753, 146741), (8757, 62889), (20963, 26271)]