1659147

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 2646528

約数和(自身を除く): 987381

約数列:

[1, 3, 7, 21, 41, 47, 123, 141, 287, 329, 861, 987, 1681, 1927, 5043, 5781, 11767, 13489, 35301, 40467, 79007, 237021, 553049, 1659147]

約数ペア:

[(1, 1659147), (3, 553049), (7, 237021), (21, 79007), (41, 40467), (47, 35301), (123, 13489), (141, 11767), (287, 5781), (329, 5043), (861, 1927), (987, 1681)]