71239743

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{1579}}^1$

素因数の和:2148

約数の個数: 20

約数和(自身を含む): 106678440

約数和(自身を除く): 35438697

約数列:

[1, 3, 9, 27, 81, 557, 1579, 1671, 4737, 5013, 14211, 15039, 42633, 45117, 127899, 879503, 2638509, 7915527, 23746581, 71239743]

約数ペア:

[(1, 71239743), (3, 23746581), (9, 7915527), (27, 2638509), (81, 879503), (557, 127899), (1579, 45117), (1671, 42633), (4737, 15039), (5013, 14211)]