53217185

素因数分解:

$5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{773}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 74647656

約数和(自身を除く): 21430471

約数列:

[1, 5, 7, 35, 49, 245, 281, 773, 1405, 1967, 3865, 5411, 9835, 13769, 27055, 37877, 68845, 189385, 217213, 1086065, 1520491, 7602455, 10643437, 53217185]

約数ペア:

[(1, 53217185), (5, 10643437), (7, 7602455), (35, 1520491), (49, 1086065), (245, 217213), (281, 189385), (773, 68845), (1405, 37877), (1967, 27055), (3865, 13769), (5411, 9835)]