16681743

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8387}}^1$

素因数の和:8423

約数の個数: 24

約数和(自身を含む): 27479088

約数和(自身を除く): 10797345

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 8387, 25161, 75483, 109031, 142579, 327093, 427737, 981279, 1283211, 1853527, 5560581, 16681743]

約数ペア:

[(1, 16681743), (3, 5560581), (9, 1853527), (13, 1283211), (17, 981279), (39, 427737), (51, 327093), (117, 142579), (153, 109031), (221, 75483), (663, 25161), (1989, 8387)]