1381617

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:510

約数の個数: 20

約数和(自身を含む): 2124276

約数和(自身を除く): 742659

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 461, 999, 1383, 2997, 4149, 12447, 17057, 37341, 51171, 153513, 460539, 1381617]

約数ペア:

[(1, 1381617), (3, 460539), (9, 153513), (27, 51171), (37, 37341), (81, 17057), (111, 12447), (333, 4149), (461, 2997), (999, 1383)]