1668399

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 16

約数和(自身を含む): 2334720

約数和(自身を除く): 666321

約数列:

[1, 3, 29, 87, 127, 151, 381, 453, 3683, 4379, 11049, 13137, 19177, 57531, 556133, 1668399]

約数ペア:

[(1, 1668399), (3, 556133), (29, 57531), (87, 19177), (127, 13137), (151, 11049), (381, 4379), (453, 3683)]