2721615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 4971456

約数和(自身を除く): 2249841

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 821, 1105, 2463, 3315, 4105, 10673, 12315, 13957, 32019, 41871, 53365, 69785, 160095, 181441, 209355, 544323, 907205, 2721615]

約数ペア:

[(1, 2721615), (3, 907205), (5, 544323), (13, 209355), (15, 181441), (17, 160095), (39, 69785), (51, 53365), (65, 41871), (85, 32019), (195, 13957), (221, 12315), (255, 10673), (663, 4105), (821, 3315), (1105, 2463)]