80717679

素因数分解:

$3^2\times 7^1\times {\mathrm{883}}^1\times {\mathrm{1451}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 133491072

約数和(自身を除く): 52773393

約数列:

[1, 3, 7, 9, 21, 63, 883, 1451, 2649, 4353, 6181, 7947, 10157, 13059, 18543, 30471, 55629, 91413, 1281233, 3843699, 8968631, 11531097, 26905893, 80717679]

約数ペア:

[(1, 80717679), (3, 26905893), (7, 11531097), (9, 8968631), (21, 3843699), (63, 1281233), (883, 91413), (1451, 55629), (2649, 30471), (4353, 18543), (6181, 13059), (7947, 10157)]