201749961

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{505639}}^1$

素因数の和:505668

約数の個数: 16

約数和(自身を含む): 323609600

約数和(自身を除く): 121859639

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 505639, 1516917, 3539473, 9607141, 10618419, 28821423, 67249987, 201749961]

約数ペア:

[(1, 201749961), (3, 67249987), (7, 28821423), (19, 10618419), (21, 9607141), (57, 3539473), (133, 1516917), (399, 505639)]