16981173

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3989}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 27387360

約数和(自身を除く): 10406187

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 3989, 4257, 11967, 35901, 43879, 131637, 171527, 394911, 514581, 1543743, 1886797, 5660391, 16981173]

約数ペア:

[(1, 16981173), (3, 5660391), (9, 1886797), (11, 1543743), (33, 514581), (43, 394911), (99, 171527), (129, 131637), (387, 43879), (473, 35901), (1419, 11967), (3989, 4257)]