13121073

素因数分解:

$3^2\times 7^2\times {\mathrm{29753}}^1$

素因数の和:29773

約数の個数: 18

約数和(自身を含む): 22047714

約数和(自身を除く): 8926641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 29753, 89259, 208271, 267777, 624813, 1457897, 1874439, 4373691, 13121073]

約数ペア:

[(1, 13121073), (3, 4373691), (7, 1874439), (9, 1457897), (21, 624813), (49, 267777), (63, 208271), (147, 89259), (441, 29753)]