20411271

素因数分解:

$3^9\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 40

約数和(自身を含む): 32948784

約数和(自身を除く): 12537513

約数列:

[1, 3, 9, 17, 27, 51, 61, 81, 153, 183, 243, 459, 549, 729, 1037, 1377, 1647, 2187, 3111, 4131, 4941, 6561, 9333, 12393, 14823, 19683, 27999, 37179, 44469, 83997, 111537, 133407, 251991, 334611, 400221, 755973, 1200663, 2267919, 6803757, 20411271]

約数ペア:

[(1, 20411271), (3, 6803757), (9, 2267919), (17, 1200663), (27, 755973), (51, 400221), (61, 334611), (81, 251991), (153, 133407), (183, 111537), (243, 83997), (459, 44469), (549, 37179), (729, 27999), (1037, 19683), (1377, 14823), (1647, 12393), (2187, 9333), (3111, 6561), (4131, 4941)]