28971129

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18679}}^1$

素因数の和:18740

約数の個数: 16

約数和(自身を含む): 43038720

約数和(自身を除く): 14067591

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18679, 56037, 205469, 616407, 877913, 2633739, 9657043, 28971129]

約数ペア:

[(1, 28971129), (3, 9657043), (11, 2633739), (33, 877913), (47, 616407), (141, 205469), (517, 56037), (1551, 18679)]