2447289

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1609}}^1$

素因数の和:1641

約数の個数: 18

約数和(自身を含む): 3830190

約数和(自身を除く): 1382901

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 1609, 4827, 14481, 20917, 62751, 188253, 271921, 815763, 2447289]

約数ペア:

[(1, 2447289), (3, 815763), (9, 271921), (13, 188253), (39, 62751), (117, 20917), (169, 14481), (507, 4827), (1521, 1609)]