520033857

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{68597}}^1$

素因数の和:68645

約数の個数: 24

約数和(自身を含む): 836346816

約数和(自身を除く): 316312959

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 68597, 205791, 480179, 1303343, 1440537, 3910029, 9123401, 24763517, 27370203, 74290551, 173344619, 520033857]

約数ペア:

[(1, 520033857), (3, 173344619), (7, 74290551), (19, 27370203), (21, 24763517), (57, 9123401), (133, 3910029), (361, 1440537), (399, 1303343), (1083, 480179), (2527, 205791), (7581, 68597)]