2986407

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 4633200

約数和(自身を除く): 1646793

約数列:

[1, 3, 9, 17, 51, 131, 149, 153, 393, 447, 1179, 1341, 2227, 2533, 6681, 7599, 19519, 20043, 22797, 58557, 175671, 331823, 995469, 2986407]

約数ペア:

[(1, 2986407), (3, 995469), (9, 331823), (17, 175671), (51, 58557), (131, 22797), (149, 20043), (153, 19519), (393, 7599), (447, 6681), (1179, 2533), (1341, 2227)]