16997001

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 27955200

約数和(自身を除く): 10958199

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1039, 2337, 3117, 5453, 7273, 16359, 19741, 21819, 42599, 59223, 127797, 138187, 298193, 414561, 809381, 894579, 2428143, 5665667, 16997001]

約数ペア:

[(1, 16997001), (3, 5665667), (7, 2428143), (19, 894579), (21, 809381), (41, 414561), (57, 298193), (123, 138187), (133, 127797), (287, 59223), (399, 42599), (779, 21819), (861, 19741), (1039, 16359), (2337, 7273), (3117, 5453)]