13291089

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33311}}^1$

素因数の和:33340

約数の個数: 16

約数和(自身を含む): 21319680

約数和(自身を除く): 8028591

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 33311, 99933, 233177, 632909, 699531, 1898727, 4430363, 13291089]

約数ペア:

[(1, 13291089), (3, 4430363), (7, 1898727), (19, 699531), (21, 632909), (57, 233177), (133, 99933), (399, 33311)]