28912167

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{56359}}^1$

素因数の和:56387

約数の個数: 16

約数和(自身を含む): 45088000

約数和(自身を除く): 16175833

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 56359, 169077, 507231, 1070821, 1521693, 3212463, 9637389, 28912167]

約数ペア:

[(1, 28912167), (3, 9637389), (9, 3212463), (19, 1521693), (27, 1070821), (57, 507231), (171, 169077), (513, 56359)]