28598211

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 16502589

約数列:

[1, 3, 9, 19, 27, 57, 107, 171, 321, 513, 521, 963, 1563, 2033, 2889, 4689, 6099, 9899, 14067, 18297, 29697, 54891, 55747, 89091, 167241, 267273, 501723, 1059193, 1505169, 3177579, 9532737, 28598211]

約数ペア:

[(1, 28598211), (3, 9532737), (9, 3177579), (19, 1505169), (27, 1059193), (57, 501723), (107, 267273), (171, 167241), (321, 89091), (513, 55747), (521, 54891), (963, 29697), (1563, 18297), (2033, 14067), (2889, 9899), (4689, 6099)]