31133817

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 55980288

約数和(自身を除く): 24846471

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 1287, 1423, 1683, 1989, 2431, 4269, 7293, 12807, 15653, 18499, 21879, 24191, 46959, 55497, 72573, 140877, 166491, 203489, 217719, 266101, 314483, 610467, 798303, 943449, 1831401, 2394909, 2830347, 3459313, 10377939, 31133817]

約数ペア:

[(1, 31133817), (3, 10377939), (9, 3459313), (11, 2830347), (13, 2394909), (17, 1831401), (33, 943449), (39, 798303), (51, 610467), (99, 314483), (117, 266101), (143, 217719), (153, 203489), (187, 166491), (221, 140877), (429, 72573), (561, 55497), (663, 46959), (1287, 24191), (1423, 21879), (1683, 18499), (1989, 15653), (2431, 12807), (4269, 7293)]