6891003

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 11512800

約数和(自身を除く): 4621797

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1229, 1869, 3687, 5607, 8603, 11061, 25809, 77427, 109381, 328143, 765667, 984429, 2297001, 6891003]

約数ペア:

[(1, 6891003), (3, 2297001), (7, 984429), (9, 765667), (21, 328143), (63, 109381), (89, 77427), (267, 25809), (623, 11061), (801, 8603), (1229, 5607), (1869, 3687)]