28740537

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15731}}^1$

素因数の和:15773

約数の個数: 24

約数和(自身を含む): 49083840

約数和(自身を除く): 20343303

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15731, 47193, 110117, 141579, 330351, 456199, 991053, 1368597, 3193393, 4105791, 9580179, 28740537]

約数ペア:

[(1, 28740537), (3, 9580179), (7, 4105791), (9, 3193393), (21, 1368597), (29, 991053), (63, 456199), (87, 330351), (203, 141579), (261, 110117), (609, 47193), (1827, 15731)]