81857457

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1657}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 129324000

約数和(自身を除く): 47466543

約数列:

[1, 3, 9, 11, 33, 99, 499, 1497, 1657, 4491, 4971, 5489, 14913, 16467, 18227, 49401, 54681, 164043, 826843, 2480529, 7441587, 9095273, 27285819, 81857457]

約数ペア:

[(1, 81857457), (3, 27285819), (9, 9095273), (11, 7441587), (33, 2480529), (99, 826843), (499, 164043), (1497, 54681), (1657, 49401), (4491, 18227), (4971, 16467), (5489, 14913)]