6540849

素因数分解:

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

素因数の和:154

約数の個数: 24

約数和(自身を含む): 11032320

約数和(自身を除く): 4491471

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2209, 2961, 6627, 15463, 19881, 46389, 103823, 139167, 311469, 726761, 934407, 2180283, 6540849]

約数ペア:

[(1, 6540849), (3, 2180283), (7, 934407), (9, 726761), (21, 311469), (47, 139167), (63, 103823), (141, 46389), (329, 19881), (423, 15463), (987, 6627), (2209, 2961)]