30891707

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1549}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 40287600

約数和(自身を除く): 9395893

約数列:

[1, 7, 11, 37, 49, 77, 259, 407, 539, 1549, 1813, 2849, 10843, 17039, 19943, 57313, 75901, 119273, 401191, 630443, 834911, 2808337, 4413101, 30891707]

約数ペア:

[(1, 30891707), (7, 4413101), (11, 2808337), (37, 834911), (49, 630443), (77, 401191), (259, 119273), (407, 75901), (539, 57313), (1549, 19943), (1813, 17039), (2849, 10843)]