2656521

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 4430400

約数和(自身を除く): 1773879

約数列:

[1, 3, 7, 9, 21, 63, 149, 283, 447, 849, 1043, 1341, 1981, 2547, 3129, 5943, 9387, 17829, 42167, 126501, 295169, 379503, 885507, 2656521]

約数ペア:

[(1, 2656521), (3, 885507), (7, 379503), (9, 295169), (21, 126501), (63, 42167), (149, 17829), (283, 9387), (447, 5943), (849, 3129), (1043, 2547), (1341, 1981)]