81715413

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2089}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 126403200

約数和(自身を除く): 44687787

約数列:

[1, 3, 13, 17, 39, 51, 59, 177, 221, 663, 767, 1003, 2089, 2301, 3009, 6267, 13039, 27157, 35513, 39117, 81471, 106539, 123251, 369753, 461669, 1385007, 1602263, 2095267, 4806789, 6285801, 27238471, 81715413]

約数ペア:

[(1, 81715413), (3, 27238471), (13, 6285801), (17, 4806789), (39, 2095267), (51, 1602263), (59, 1385007), (177, 461669), (221, 369753), (663, 123251), (767, 106539), (1003, 81471), (2089, 39117), (2301, 35513), (3009, 27157), (6267, 13039)]