15769971

素因数分解:

$3^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 27582464

約数和(自身を除く): 11812493

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 127, 189, 219, 243, 381, 511, 567, 657, 889, 1143, 1533, 1701, 1971, 2667, 3429, 4599, 5913, 8001, 9271, 10287, 13797, 17739, 24003, 27813, 30861, 41391, 64897, 72009, 83439, 124173, 194691, 216027, 250317, 584073, 750951, 1752219, 2252853, 5256657, 15769971]

約数ペア:

[(1, 15769971), (3, 5256657), (7, 2252853), (9, 1752219), (21, 750951), (27, 584073), (63, 250317), (73, 216027), (81, 194691), (127, 124173), (189, 83439), (219, 72009), (243, 64897), (381, 41391), (511, 30861), (567, 27813), (657, 24003), (889, 17739), (1143, 13797), (1533, 10287), (1701, 9271), (1971, 8001), (2667, 5913), (3429, 4599)]