81224521

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1\times {\mathrm{883}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 98527104

約数和(自身を除く): 17302583

約数列:

[1, 7, 17, 119, 773, 883, 5411, 6181, 13141, 15011, 91987, 105077, 682559, 4777913, 11603503, 81224521]

約数ペア:

[(1, 81224521), (7, 11603503), (17, 4777913), (119, 682559), (773, 105077), (883, 91987), (5411, 15011), (6181, 13141)]