25440987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 41158656

約数和(自身を除く): 15717669

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 1913, 4433, 5739, 13299, 21043, 24869, 59303, 63129, 74607, 177909, 273559, 652333, 770939, 820677, 1956999, 2312817, 8480329, 25440987]

約数ペア:

[(1, 25440987), (3, 8480329), (11, 2312817), (13, 1956999), (31, 820677), (33, 770939), (39, 652333), (93, 273559), (143, 177909), (341, 74607), (403, 63129), (429, 59303), (1023, 24869), (1209, 21043), (1913, 13299), (4433, 5739)]