51768639

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 84035952

約数和(自身を除く): 32267313

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 211, 233, 351, 633, 699, 1053, 1899, 2097, 2743, 3029, 5697, 6291, 8229, 9087, 17091, 18873, 24687, 27261, 49163, 74061, 81783, 147489, 222183, 245349, 442467, 639119, 1327401, 1917357, 3982203, 5752071, 17256213, 51768639]

約数ペア:

[(1, 51768639), (3, 17256213), (9, 5752071), (13, 3982203), (27, 1917357), (39, 1327401), (81, 639119), (117, 442467), (211, 245349), (233, 222183), (351, 147489), (633, 81783), (699, 74061), (1053, 49163), (1899, 27261), (2097, 24687), (2743, 18873), (3029, 17091), (5697, 9087), (6291, 8229)]