40650417

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 65627496

約数和(自身を除く): 24977079

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 459, 477, 557, 901, 1377, 1431, 1671, 2703, 4293, 5013, 8109, 9469, 15039, 24327, 28407, 29521, 45117, 72981, 85221, 88563, 255663, 265689, 501857, 766989, 797067, 1505571, 2391201, 4516713, 13550139, 40650417]

約数ペア:

[(1, 40650417), (3, 13550139), (9, 4516713), (17, 2391201), (27, 1505571), (51, 797067), (53, 766989), (81, 501857), (153, 265689), (159, 255663), (459, 88563), (477, 85221), (557, 72981), (901, 45117), (1377, 29521), (1431, 28407), (1671, 24327), (2703, 15039), (4293, 9469), (5013, 8109)]