13721561

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1709}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 16634880

約数和(自身を除く): 2913319

約数列:

[1, 7, 31, 37, 217, 259, 1147, 1709, 8029, 11963, 52979, 63233, 370853, 442631, 1960223, 13721561]

約数ペア:

[(1, 13721561), (7, 1960223), (31, 442631), (37, 370853), (217, 63233), (259, 52979), (1147, 11963), (1709, 8029)]