1338417

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2637

約数の個数: 16

約数和(自身を含む): 2088000

約数和(自身を除く): 749583

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 2609, 7827, 23481, 49571, 70443, 148713, 446139, 1338417]

約数ペア:

[(1, 1338417), (3, 446139), (9, 148713), (19, 70443), (27, 49571), (57, 23481), (171, 7827), (513, 2609)]