1628289

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{4639}}^1$

素因数の和:4661

約数の個数: 16

約数和(自身を含む): 2598400

約数和(自身を除く): 970111

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 4639, 13917, 41751, 60307, 125253, 180921, 542763, 1628289]

約数ペア:

[(1, 1628289), (3, 542763), (9, 180921), (13, 125253), (27, 60307), (39, 41751), (117, 13917), (351, 4639)]