12890259

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{683}}^1$

素因数の和:928

約数の個数: 20

約数和(自身を含む): 19366776

約数和(自身を除く): 6476517

約数列:

[1, 3, 9, 27, 81, 233, 683, 699, 2049, 2097, 6147, 6291, 18441, 18873, 55323, 159139, 477417, 1432251, 4296753, 12890259]

約数ペア:

[(1, 12890259), (3, 4296753), (9, 1432251), (27, 477417), (81, 159139), (233, 55323), (683, 18873), (699, 18441), (2049, 6291), (2097, 6147)]