201054735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{638269}}^1$

素因数の和:638287

約数の個数: 24

約数和(自身を含む): 398280480

約数和(自身を除く): 197225745

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 638269, 1914807, 3191345, 4467883, 5744421, 9574035, 13403649, 22339415, 28722105, 40210947, 67018245, 201054735]

約数ペア:

[(1, 201054735), (3, 67018245), (5, 40210947), (7, 28722105), (9, 22339415), (15, 13403649), (21, 9574035), (35, 5744421), (45, 4467883), (63, 3191345), (105, 1914807), (315, 638269)]