28557999

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 42474432

約数和(自身を除く): 13916433

約数列:

[1, 3, 9, 47, 141, 181, 373, 423, 543, 1119, 1629, 3357, 8507, 17531, 25521, 52593, 67513, 76563, 157779, 202539, 607617, 3173111, 9519333, 28557999]

約数ペア:

[(1, 28557999), (3, 9519333), (9, 3173111), (47, 607617), (141, 202539), (181, 157779), (373, 76563), (423, 67513), (543, 52593), (1119, 25521), (1629, 17531), (3357, 8507)]