4020381

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 6652800

約数和(自身を除く): 2632419

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 461, 513, 969, 1383, 2907, 4149, 7837, 8721, 8759, 12447, 23511, 26277, 70533, 78831, 148903, 211599, 236493, 446709, 1340127, 4020381]

約数ペア:

[(1, 4020381), (3, 1340127), (9, 446709), (17, 236493), (19, 211599), (27, 148903), (51, 78831), (57, 70533), (153, 26277), (171, 23511), (323, 12447), (459, 8759), (461, 8721), (513, 7837), (969, 4149), (1383, 2907)]