17630739

素因数分解:

$3^2\times 7^2\times {\mathrm{39979}}^1$

素因数の和:39999

約数の個数: 18

約数和(自身を含む): 29625180

約数和(自身を除く): 11994441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 39979, 119937, 279853, 359811, 839559, 1958971, 2518677, 5876913, 17630739]

約数ペア:

[(1, 17630739), (3, 5876913), (7, 2518677), (9, 1958971), (21, 839559), (49, 359811), (63, 279853), (147, 119937), (441, 39979)]