1290009

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 2009088

約数和(自身を除く): 719079

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 1307, 3921, 9149, 27447, 61429, 184287, 430003, 1290009]

約数ペア:

[(1, 1290009), (3, 430003), (7, 184287), (21, 61429), (47, 27447), (141, 9149), (329, 3921), (987, 1307)]