201020421

素因数分解:

$3^1\times 7^1\times {\mathrm{1583}}^1\times {\mathrm{6047}}^1$

素因数の和:7640

約数の個数: 16

約数和(自身を含む): 306561024

約数和(自身を除く): 105540603

約数列:

[1, 3, 7, 21, 1583, 4749, 6047, 11081, 18141, 33243, 42329, 126987, 9572401, 28717203, 67006807, 201020421]

約数ペア:

[(1, 201020421), (3, 67006807), (7, 28717203), (21, 9572401), (1583, 126987), (4749, 42329), (6047, 33243), (11081, 18141)]