25443639

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 41618192

約数和(自身を除く): 16174553

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 331, 351, 657, 949, 993, 1053, 1971, 2847, 2979, 4303, 5913, 8541, 8937, 12909, 24163, 25623, 26811, 38727, 72489, 76869, 116181, 217467, 314119, 348543, 652401, 942357, 1957203, 2827071, 8481213, 25443639]

約数ペア:

[(1, 25443639), (3, 8481213), (9, 2827071), (13, 1957203), (27, 942357), (39, 652401), (73, 348543), (81, 314119), (117, 217467), (219, 116181), (331, 76869), (351, 72489), (657, 38727), (949, 26811), (993, 25623), (1053, 24163), (1971, 12909), (2847, 8937), (2979, 8541), (4303, 5913)]