30686513

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 38421216

約数和(自身を除く): 7734703

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 971, 1859, 2431, 2873, 10681, 12623, 16507, 31603, 138853, 164099, 181577, 214591, 1805089, 2360501, 2789683, 30686513]

約数ペア:

[(1, 30686513), (11, 2789683), (13, 2360501), (17, 1805089), (143, 214591), (169, 181577), (187, 164099), (221, 138853), (971, 31603), (1859, 16507), (2431, 12623), (2873, 10681)]