31488171

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2587

約数の個数: 32

約数和(自身を含む): 51045120

約数和(自身を除く): 19556949

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 957, 1131, 2531, 4147, 7593, 12441, 27841, 32903, 73399, 83523, 98709, 220197, 361933, 807389, 954187, 1085799, 2422167, 2862561, 10496057, 31488171]

約数ペア:

[(1, 31488171), (3, 10496057), (11, 2862561), (13, 2422167), (29, 1085799), (33, 954187), (39, 807389), (87, 361933), (143, 220197), (319, 98709), (377, 83523), (429, 73399), (957, 32903), (1131, 27841), (2531, 12441), (4147, 7593)]