31751291

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 40678848

約数和(自身を除く): 8927557

約数列:

[1, 11, 13, 17, 37, 143, 187, 221, 353, 407, 481, 629, 2431, 3883, 4589, 5291, 6001, 6919, 8177, 13061, 50479, 66011, 78013, 89947, 143671, 169793, 222037, 858143, 1867723, 2442407, 2886481, 31751291]

約数ペア:

[(1, 31751291), (11, 2886481), (13, 2442407), (17, 1867723), (37, 858143), (143, 222037), (187, 169793), (221, 143671), (353, 89947), (407, 78013), (481, 66011), (629, 50479), (2431, 13061), (3883, 8177), (4589, 6919), (5291, 6001)]