28803789

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{593}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 49040640

約数和(自身を除く): 20236851

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 593, 771, 1779, 1799, 2313, 4151, 5337, 5397, 6939, 12453, 16011, 16191, 37359, 48573, 112077, 152401, 457203, 1066807, 1371609, 3200421, 4114827, 9601263, 28803789]

約数ペア:

[(1, 28803789), (3, 9601263), (7, 4114827), (9, 3200421), (21, 1371609), (27, 1066807), (63, 457203), (189, 152401), (257, 112077), (593, 48573), (771, 37359), (1779, 16191), (1799, 16011), (2313, 12453), (4151, 6939), (5337, 5397)]