7405047

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 12722080

約数和(自身を除く): 5317033

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 73, 117, 153, 219, 221, 289, 351, 459, 657, 663, 867, 949, 1241, 1971, 1989, 2601, 2847, 3723, 3757, 5967, 7803, 8541, 11169, 11271, 16133, 21097, 25623, 33507, 33813, 48399, 63291, 101439, 145197, 189873, 274261, 435591, 569619, 822783, 2468349, 7405047]

約数ペア:

[(1, 7405047), (3, 2468349), (9, 822783), (13, 569619), (17, 435591), (27, 274261), (39, 189873), (51, 145197), (73, 101439), (117, 63291), (153, 48399), (219, 33813), (221, 33507), (289, 25623), (351, 21097), (459, 16133), (657, 11271), (663, 11169), (867, 8541), (949, 7803), (1241, 5967), (1971, 3757), (1989, 3723), (2601, 2847)]