28630719

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81569}}^1$

素因数の和:81591

約数の個数: 16

約数和(自身を含む): 45679200

約数和(自身を除く): 17048481

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81569, 244707, 734121, 1060397, 2202363, 3181191, 9543573, 28630719]

約数ペア:

[(1, 28630719), (3, 9543573), (9, 3181191), (13, 2202363), (27, 1060397), (39, 734121), (117, 244707), (351, 81569)]