1961566131

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127781}}^1$

素因数の和:127851

約数の個数: 32

約数和(自身を含む): 3238507008

約数和(自身を除く): 1276940877

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 2193, 5117, 15351, 127781, 383343, 894467, 2172277, 2683401, 5494583, 6516831, 15205939, 16483749, 38462081, 45617817, 93407911, 115386243, 280223733, 653855377, 1961566131]

約数ペア:

[(1, 1961566131), (3, 653855377), (7, 280223733), (17, 115386243), (21, 93407911), (43, 45617817), (51, 38462081), (119, 16483749), (129, 15205939), (301, 6516831), (357, 5494583), (731, 2683401), (903, 2172277), (2193, 894467), (5117, 383343), (15351, 127781)]