65402289

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 99475200

約数和(自身を除く): 34072911

約数列:

[1, 3, 9, 27, 71, 109, 213, 313, 327, 639, 939, 981, 1917, 2817, 2943, 7739, 8451, 22223, 23217, 34117, 66669, 69651, 102351, 200007, 208953, 307053, 600021, 921159, 2422307, 7266921, 21800763, 65402289]

約数ペア:

[(1, 65402289), (3, 21800763), (9, 7266921), (27, 2422307), (71, 921159), (109, 600021), (213, 307053), (313, 208953), (327, 200007), (639, 102351), (939, 69651), (981, 66669), (1917, 34117), (2817, 23217), (2943, 22223), (7739, 8451)]