28816815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{827}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 48646656

約数和(自身を除く): 19829841

約数列:

[1, 3, 5, 15, 23, 69, 101, 115, 303, 345, 505, 827, 1515, 2323, 2481, 4135, 6969, 11615, 12405, 19021, 34845, 57063, 83527, 95105, 250581, 285315, 417635, 1252905, 1921121, 5763363, 9605605, 28816815]

約数ペア:

[(1, 28816815), (3, 9605605), (5, 5763363), (15, 1921121), (23, 1252905), (69, 417635), (101, 285315), (115, 250581), (303, 95105), (345, 83527), (505, 57063), (827, 34845), (1515, 19021), (2323, 12405), (2481, 11615), (4135, 6969)]