13078821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32779}}^1$

素因数の和:32808

約数の個数: 16

約数和(自身を含む): 20979200

約数和(自身を除く): 7900379

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 32779, 98337, 229453, 622801, 688359, 1868403, 4359607, 13078821]

約数ペア:

[(1, 13078821), (3, 4359607), (7, 1868403), (19, 688359), (21, 622801), (57, 229453), (133, 98337), (399, 32779)]