28369089

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 50178240

約数和(自身を除く): 21809151

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 369, 441, 523, 861, 1107, 1323, 1569, 2009, 2583, 3661, 4707, 6027, 7749, 10983, 14121, 18081, 21443, 25627, 32949, 54243, 64329, 76881, 98847, 150101, 192987, 230643, 450303, 578961, 691929, 1050707, 1350909, 3152121, 4052727, 9456363, 28369089]

約数ペア:

[(1, 28369089), (3, 9456363), (7, 4052727), (9, 3152121), (21, 1350909), (27, 1050707), (41, 691929), (49, 578961), (63, 450303), (123, 230643), (147, 192987), (189, 150101), (287, 98847), (369, 76881), (441, 64329), (523, 54243), (861, 32949), (1107, 25627), (1323, 21443), (1569, 18081), (2009, 14121), (2583, 10983), (3661, 7749), (4707, 6027)]