13281489

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{12613}}^1$

素因数の和:12638

約数の個数: 20

約数和(自身を含む): 21368116

約数和(自身を除く): 8086627

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 12613, 37839, 113517, 163969, 340551, 491907, 1021653, 1475721, 4427163, 13281489]

約数ペア:

[(1, 13281489), (3, 4427163), (9, 1475721), (13, 1021653), (27, 491907), (39, 340551), (81, 163969), (117, 113517), (351, 37839), (1053, 12613)]