81549

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:77

約数の個数: 24

約数和(自身を含む): 137592

約数和(自身を除く): 56043

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 369, 533, 663, 697, 1599, 1989, 2091, 4797, 6273, 9061, 27183, 81549]

約数ペア:

[(1, 81549), (3, 27183), (9, 9061), (13, 6273), (17, 4797), (39, 2091), (41, 1989), (51, 1599), (117, 697), (123, 663), (153, 533), (221, 369)]