15880821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3187}}^1$

素因数の和:3352

約数の個数: 16

約数和(自身を含む): 23259648

約数和(自身を除く): 7378827

約数列:

[1, 3, 11, 33, 151, 453, 1661, 3187, 4983, 9561, 35057, 105171, 481237, 1443711, 5293607, 15880821]

約数ペア:

[(1, 15880821), (3, 5293607), (11, 1443711), (33, 481237), (151, 105171), (453, 35057), (1661, 9561), (3187, 4983)]