51768009

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 84644352

約数和(自身を除く): 32876343

約数列:

[1, 3, 9, 17, 23, 47, 51, 69, 141, 153, 207, 313, 391, 423, 799, 939, 1081, 1173, 2397, 2817, 3243, 3519, 5321, 7191, 7199, 9729, 14711, 15963, 18377, 21597, 44133, 47889, 55131, 64791, 122383, 132399, 165393, 250087, 338353, 367149, 750261, 1015059, 1101447, 2250783, 3045177, 5752001, 17256003, 51768009]

約数ペア:

[(1, 51768009), (3, 17256003), (9, 5752001), (17, 3045177), (23, 2250783), (47, 1101447), (51, 1015059), (69, 750261), (141, 367149), (153, 338353), (207, 250087), (313, 165393), (391, 132399), (423, 122383), (799, 64791), (939, 55131), (1081, 47889), (1173, 44133), (2397, 21597), (2817, 18377), (3243, 15963), (3519, 14711), (5321, 9729), (7191, 7199)]