42163947

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1669}}^1$

素因数の和:2083

約数の個数: 24

約数和(自身を含む): 69819360

約数和(自身を除く): 27655413

約数列:

[1, 3, 7, 9, 21, 63, 401, 1203, 1669, 2807, 3609, 5007, 8421, 11683, 15021, 25263, 35049, 105147, 669269, 2007807, 4684883, 6023421, 14054649, 42163947]

約数ペア:

[(1, 42163947), (3, 14054649), (7, 6023421), (9, 4684883), (21, 2007807), (63, 669269), (401, 105147), (1203, 35049), (1669, 25263), (2807, 15021), (3609, 11683), (5007, 8421)]