51587193

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 82001920

約数和(自身を除く): 30414727

約数列:

[1, 3, 7, 21, 31, 93, 109, 217, 327, 651, 727, 763, 2181, 2289, 3379, 5089, 10137, 15267, 22537, 23653, 67611, 70959, 79243, 157759, 237729, 473277, 554701, 1664103, 2456533, 7369599, 17195731, 51587193]

約数ペア:

[(1, 51587193), (3, 17195731), (7, 7369599), (21, 2456533), (31, 1664103), (93, 554701), (109, 473277), (217, 237729), (327, 157759), (651, 79243), (727, 70959), (763, 67611), (2181, 23653), (2289, 22537), (3379, 15267), (5089, 10137)]