87131289

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{61927}}^1$

素因数の和:62004

約数の個数: 16

約数和(自身を含む): 134755328

約数和(自身を除く): 47624039

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 61927, 185781, 433489, 1300467, 4149109, 12447327, 29043763, 87131289]

約数ペア:

[(1, 87131289), (3, 29043763), (7, 12447327), (21, 4149109), (67, 1300467), (201, 433489), (469, 185781), (1407, 61927)]