27938055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^2$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 47473776

約数和(自身を除く): 19535721

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 331, 993, 1655, 4965, 5627, 16881, 28135, 84405, 109561, 328683, 547805, 1643415, 1862537, 5587611, 9312685, 27938055]

約数ペア:

[(1, 27938055), (3, 9312685), (5, 5587611), (15, 1862537), (17, 1643415), (51, 547805), (85, 328683), (255, 109561), (331, 84405), (993, 28135), (1655, 16881), (4965, 5627)]