81129279

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2237}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 135783936

約数和(自身を除く): 54654657

約数列:

[1, 3, 7, 11, 21, 33, 77, 157, 231, 471, 1099, 1727, 2237, 3297, 5181, 6711, 12089, 15659, 24607, 36267, 46977, 73821, 172249, 351209, 516747, 1053627, 2458463, 3863299, 7375389, 11589897, 27043093, 81129279]

約数ペア:

[(1, 81129279), (3, 27043093), (7, 11589897), (11, 7375389), (21, 3863299), (33, 2458463), (77, 1053627), (157, 516747), (231, 351209), (471, 172249), (1099, 73821), (1727, 46977), (2237, 36267), (3297, 24607), (5181, 15659), (6711, 12089)]