71520891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{13999}}^1$

素因数の和:14146

約数の個数: 16

約数和(自身を含む): 103488000

約数和(自身を除く): 31967109

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 13999, 41997, 181987, 545961, 1833869, 5501607, 23840297, 71520891]

約数ペア:

[(1, 71520891), (3, 23840297), (13, 5501607), (39, 1833869), (131, 545961), (393, 181987), (1703, 41997), (5109, 13999)]