20170017

素因数分解:

$3^2\times 7^2\times {\mathrm{45737}}^1$

素因数の和:45757

約数の個数: 18

約数和(自身を含む): 33891858

約数和(自身を除く): 13721841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45737, 137211, 320159, 411633, 960477, 2241113, 2881431, 6723339, 20170017]

約数ペア:

[(1, 20170017), (3, 6723339), (7, 2881431), (9, 2241113), (21, 960477), (49, 411633), (63, 320159), (147, 137211), (441, 45737)]