3949701

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 6364224

約数和(自身を除く): 2414523

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 521, 1083, 1563, 2527, 3647, 7581, 9899, 10941, 29697, 69293, 188081, 207879, 564243, 1316567, 3949701]

約数ペア:

[(1, 3949701), (3, 1316567), (7, 564243), (19, 207879), (21, 188081), (57, 69293), (133, 29697), (361, 10941), (399, 9899), (521, 7581), (1083, 3647), (1563, 2527)]