768873

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 32

約数和(自身を含む): 1290240

約数和(自身を除く): 521367

約数列:

[1, 3, 7, 19, 21, 41, 47, 57, 123, 133, 141, 287, 329, 399, 779, 861, 893, 987, 1927, 2337, 2679, 5453, 5781, 6251, 13489, 16359, 18753, 36613, 40467, 109839, 256291, 768873]

約数ペア:

[(1, 768873), (3, 256291), (7, 109839), (19, 40467), (21, 36613), (41, 18753), (47, 16359), (57, 13489), (123, 6251), (133, 5781), (141, 5453), (287, 2679), (329, 2337), (399, 1927), (779, 987), (861, 893)]