3968289

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{2609}}^1$

素因数の和:2641

約数の個数: 18

約数和(自身を含む): 6209190

約数和(自身を除く): 2240901

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 2609, 7827, 23481, 33917, 101751, 305253, 440921, 1322763, 3968289]

約数ペア:

[(1, 3968289), (3, 1322763), (9, 440921), (13, 305253), (39, 101751), (117, 33917), (169, 23481), (507, 7827), (1521, 2609)]