1320806739

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{27793}}^1$

素因数の和:27907

約数の個数: 32

約数和(自身を含む): 2106118144

約数和(自身を除く): 785311405

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 511, 651, 1533, 2263, 6789, 15841, 27793, 47523, 83379, 194551, 583653, 861583, 2028889, 2584749, 6031081, 6086667, 14202223, 18093243, 42606669, 62895559, 188686677, 440268913, 1320806739]

約数ペア:

[(1, 1320806739), (3, 440268913), (7, 188686677), (21, 62895559), (31, 42606669), (73, 18093243), (93, 14202223), (217, 6086667), (219, 6031081), (511, 2584749), (651, 2028889), (1533, 861583), (2263, 583653), (6789, 194551), (15841, 83379), (27793, 47523)]