2750391

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 4586400

約数和(自身を除く): 1836009

約数列:

[1, 3, 7, 9, 21, 63, 149, 293, 447, 879, 1043, 1341, 2051, 2637, 3129, 6153, 9387, 18459, 43657, 130971, 305599, 392913, 916797, 2750391]

約数ペア:

[(1, 2750391), (3, 916797), (7, 392913), (9, 305599), (21, 130971), (63, 43657), (149, 18459), (293, 9387), (447, 6153), (879, 3129), (1043, 2637), (1341, 2051)]