2825781

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 4487040

約数和(自身を除く): 1661259

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 409, 987, 1227, 2303, 2863, 6909, 8589, 19223, 20041, 57669, 60123, 134561, 403683, 941927, 2825781]

約数ペア:

[(1, 2825781), (3, 941927), (7, 403683), (21, 134561), (47, 60123), (49, 57669), (141, 20041), (147, 19223), (329, 8589), (409, 6909), (987, 2863), (1227, 2303)]