2391201

素因数分解:

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

素因数の和:622

約数の個数: 20

約数和(自身を含む): 3645972

約数和(自身を除く): 1254771

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 557, 1431, 1671, 4293, 5013, 15039, 29521, 45117, 88563, 265689, 797067, 2391201]

約数ペア:

[(1, 2391201), (3, 797067), (9, 265689), (27, 88563), (53, 45117), (81, 29521), (159, 15039), (477, 5013), (557, 4293), (1431, 1671)]