31221399

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{17851}}^1$

素因数の和:17918

約数の個数: 16

約数和(自身を含む): 46272384

約数和(自身を除く): 15050985

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 17851, 53553, 196361, 589083, 946103, 2838309, 10407133, 31221399]

約数ペア:

[(1, 31221399), (3, 10407133), (11, 2838309), (33, 946103), (53, 589083), (159, 196361), (583, 53553), (1749, 17851)]