26992719

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 45680544

約数和(自身を除く): 18687825

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 331, 369, 533, 663, 697, 993, 1599, 1989, 2091, 2979, 4303, 4797, 5627, 6273, 9061, 12909, 13571, 16881, 27183, 38727, 40713, 50643, 73151, 81549, 122139, 176423, 219453, 230707, 529269, 658359, 692121, 1587807, 2076363, 2999191, 8997573, 26992719]

約数ペア:

[(1, 26992719), (3, 8997573), (9, 2999191), (13, 2076363), (17, 1587807), (39, 692121), (41, 658359), (51, 529269), (117, 230707), (123, 219453), (153, 176423), (221, 122139), (331, 81549), (369, 73151), (533, 50643), (663, 40713), (697, 38727), (993, 27183), (1599, 16881), (1989, 13571), (2091, 12909), (2979, 9061), (4303, 6273), (4797, 5627)]