1213681

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 1575936

約数和(自身を除く): 362255

約数列:

[1, 7, 17, 31, 47, 49, 119, 217, 329, 527, 799, 833, 1457, 1519, 2303, 3689, 5593, 10199, 24769, 25823, 39151, 71393, 173383, 1213681]

約数ペア:

[(1, 1213681), (7, 173383), (17, 71393), (31, 39151), (47, 25823), (49, 24769), (119, 10199), (217, 5593), (329, 3689), (527, 2303), (799, 1519), (833, 1457)]