81145335

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10973}}^1$

素因数の和:11027

約数の個数: 32

約数和(自身を含む): 142223040

約数和(自身を除く): 61077705

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 10973, 32919, 54865, 164595, 186541, 318217, 559623, 932705, 954651, 1591085, 2798115, 4773255, 5409689, 16229067, 27048445, 81145335]

約数ペア:

[(1, 81145335), (3, 27048445), (5, 16229067), (15, 5409689), (17, 4773255), (29, 2798115), (51, 1591085), (85, 954651), (87, 932705), (145, 559623), (255, 318217), (435, 186541), (493, 164595), (1479, 54865), (2465, 32919), (7395, 10973)]