16727571

素因数分解:

$3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:560

約数の個数: 36

約数和(自身を含む): 28507752

約数和(自身を除く): 11780181

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 147, 249, 441, 457, 581, 747, 1371, 1743, 3199, 4067, 4113, 5229, 9597, 12201, 22393, 28791, 36603, 37931, 67179, 113793, 201537, 265517, 341379, 796551, 1858619, 2389653, 5575857, 16727571]

約数ペア:

[(1, 16727571), (3, 5575857), (7, 2389653), (9, 1858619), (21, 796551), (49, 341379), (63, 265517), (83, 201537), (147, 113793), (249, 67179), (441, 37931), (457, 36603), (581, 28791), (747, 22393), (1371, 12201), (1743, 9597), (3199, 5229), (4067, 4113)]