27720918

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 62421840

約数和(自身を除く): 34700922

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 107, 111, 214, 222, 321, 333, 389, 642, 666, 778, 963, 1167, 1926, 2334, 3501, 3959, 7002, 7918, 11877, 14393, 23754, 28786, 35631, 41623, 43179, 71262, 83246, 86358, 124869, 129537, 249738, 259074, 374607, 749214, 1540051, 3080102, 4620153, 9240306, 13860459, 27720918]

約数ペア:

[(1, 27720918), (2, 13860459), (3, 9240306), (6, 4620153), (9, 3080102), (18, 1540051), (37, 749214), (74, 374607), (107, 259074), (111, 249738), (214, 129537), (222, 124869), (321, 86358), (333, 83246), (389, 71262), (642, 43179), (666, 41623), (778, 35631), (963, 28786), (1167, 23754), (1926, 14393), (2334, 11877), (3501, 7918), (3959, 7002)]