212868921

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{1597}}^1$

素因数の和:2040

約数の個数: 16

約数和(自身を含む): 286821824

約数和(自身を除く): 73952903

約数列:

[1, 3, 157, 283, 471, 849, 1597, 4791, 44431, 133293, 250729, 451951, 752187, 1355853, 70956307, 212868921]

約数ペア:

[(1, 212868921), (3, 70956307), (157, 1355853), (283, 752187), (471, 451951), (849, 250729), (1597, 133293), (4791, 44431)]