68021205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{647821}}^1$

素因数の和:647836

約数の個数: 16

約数和(自身を含む): 124381824

約数和(自身を除く): 56360619

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 647821, 1943463, 3239105, 4534747, 9717315, 13604241, 22673735, 68021205]

約数ペア:

[(1, 68021205), (3, 22673735), (5, 13604241), (7, 9717315), (15, 4534747), (21, 3239105), (35, 1943463), (105, 647821)]