28416087

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1987}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 47139456

約数和(自身を除く): 18723369

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 1987, 2043, 4767, 5961, 13909, 14301, 17883, 41727, 125181, 451049, 1353147, 3157343, 4059441, 9472029, 28416087]

約数ペア:

[(1, 28416087), (3, 9472029), (7, 4059441), (9, 3157343), (21, 1353147), (63, 451049), (227, 125181), (681, 41727), (1589, 17883), (1987, 14301), (2043, 13909), (4767, 5961)]