28248801

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{853}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 45911040

約数和(自身を除く): 17662239

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 853, 1577, 1743, 2559, 4731, 5971, 11039, 16207, 17913, 33117, 48621, 70799, 113449, 212397, 340347, 495593, 1345181, 1486779, 4035543, 9416267, 28248801]

約数ペア:

[(1, 28248801), (3, 9416267), (7, 4035543), (19, 1486779), (21, 1345181), (57, 495593), (83, 340347), (133, 212397), (249, 113449), (399, 70799), (581, 48621), (853, 33117), (1577, 17913), (1743, 16207), (2559, 11039), (4731, 5971)]