219209697

素因数分解:

$3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{6653}}^1$

素因数の和:7189

約数の個数: 24

約数和(自身を含む): 362616384

約数和(自身を除く): 143406687

約数列:

[1, 3, 7, 9, 21, 63, 523, 1569, 3661, 4707, 6653, 10983, 19959, 32949, 46571, 59877, 139713, 419139, 3479519, 10438557, 24356633, 31315671, 73069899, 219209697]

約数ペア:

[(1, 219209697), (3, 73069899), (7, 31315671), (9, 24356633), (21, 10438557), (63, 3479519), (523, 419139), (1569, 139713), (3661, 59877), (4707, 46571), (6653, 32949), (10983, 19959)]