15691409181

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{217909}}^1$

素因数の和:218055

約数の個数: 40

約数和(自身を含む): 26999920640

約数和(自身を除く): 11308511459

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 381, 567, 889, 1143, 2667, 3429, 8001, 10287, 24003, 72009, 217909, 653727, 1525363, 1961181, 4576089, 5883543, 13728267, 17650629, 27674443, 41184801, 83023329, 123554403, 193721101, 249069987, 581163303, 747209961, 1743489909, 2241629883, 5230469727, 15691409181]

約数ペア:

[(1, 15691409181), (3, 5230469727), (7, 2241629883), (9, 1743489909), (21, 747209961), (27, 581163303), (63, 249069987), (81, 193721101), (127, 123554403), (189, 83023329), (381, 41184801), (567, 27674443), (889, 17650629), (1143, 13728267), (2667, 5883543), (3429, 4576089), (8001, 1961181), (10287, 1525363), (24003, 653727), (72009, 217909)]