2581965

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 4514328

約数和(自身を除く): 1932363

約数列:

[1, 3, 5, 9, 15, 45, 181, 317, 543, 905, 951, 1585, 1629, 2715, 2853, 4755, 8145, 14265, 57377, 172131, 286885, 516393, 860655, 2581965]

約数ペア:

[(1, 2581965), (3, 860655), (5, 516393), (9, 286885), (15, 172131), (45, 57377), (181, 14265), (317, 8145), (543, 4755), (905, 2853), (951, 2715), (1585, 1629)]