26671239

素因数分解:

$3^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:524

約数の個数: 36

約数和(自身を含む): 45189144

約数和(自身を除く): 18517905

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 197, 307, 441, 591, 921, 1379, 1773, 2149, 2763, 4137, 6447, 9653, 12411, 15043, 19341, 28959, 45129, 60479, 86877, 135387, 181437, 423353, 544311, 1270059, 2963471, 3810177, 8890413, 26671239]

約数ペア:

[(1, 26671239), (3, 8890413), (7, 3810177), (9, 2963471), (21, 1270059), (49, 544311), (63, 423353), (147, 181437), (197, 135387), (307, 86877), (441, 60479), (591, 45129), (921, 28959), (1379, 19341), (1773, 15043), (2149, 12411), (2763, 9653), (4137, 6447)]