81404547

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{90149}}^1$

素因数の和:90202

約数の個数: 16

約数和(自身を含む): 126931200

約数和(自身を除く): 45526653

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 90149, 270447, 631043, 1893129, 3876407, 11629221, 27134849, 81404547]

約数ペア:

[(1, 81404547), (3, 27134849), (7, 11629221), (21, 3876407), (43, 1893129), (129, 631043), (301, 270447), (903, 90149)]