8493417

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 40

約数和(自身を含む): 13660416

約数和(自身を除く): 5166999

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 97, 141, 207, 291, 423, 621, 873, 1081, 1269, 1863, 2231, 2619, 3243, 3807, 4559, 6693, 7857, 9729, 13677, 20079, 29187, 41031, 60237, 87561, 104857, 123093, 180711, 314571, 369279, 943713, 2831139, 8493417]

約数ペア:

[(1, 8493417), (3, 2831139), (9, 943713), (23, 369279), (27, 314571), (47, 180711), (69, 123093), (81, 104857), (97, 87561), (141, 60237), (207, 41031), (291, 29187), (423, 20079), (621, 13677), (873, 9729), (1081, 7857), (1269, 6693), (1863, 4559), (2231, 3807), (2619, 3243)]