2949009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 4754880

約数和(自身を除く): 1805871

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 389, 399, 1083, 1167, 2527, 2723, 7391, 7581, 8169, 22173, 51737, 140429, 155211, 421287, 983003, 2949009]

約数ペア:

[(1, 2949009), (3, 983003), (7, 421287), (19, 155211), (21, 140429), (57, 51737), (133, 22173), (361, 8169), (389, 7581), (399, 7391), (1083, 2723), (1167, 2527)]