12887667

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{12239}}^1$

素因数の和:12264

約数の個数: 20

約数和(自身を含む): 20734560

約数和(自身を除く): 7846893

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 12239, 36717, 110151, 159107, 330453, 477321, 991359, 1431963, 4295889, 12887667]

約数ペア:

[(1, 12887667), (3, 4295889), (9, 1431963), (13, 991359), (27, 477321), (39, 330453), (81, 159107), (117, 110151), (351, 36717), (1053, 12239)]