2681289

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{7639}}^1$

素因数の和:7661

約数の個数: 16

約数和(自身を含む): 4278400

約数和(自身を除く): 1597111

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 7639, 22917, 68751, 99307, 206253, 297921, 893763, 2681289]

約数ペア:

[(1, 2681289), (3, 893763), (9, 297921), (13, 206253), (27, 99307), (39, 68751), (117, 22917), (351, 7639)]