161947071

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5471}}^1$

素因数の和:5524

約数の個数: 48

約数和(自身を含む): 286820352

約数和(自身を除く): 124873281

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 143, 207, 253, 299, 429, 759, 897, 1287, 2277, 2691, 3289, 5471, 9867, 16413, 29601, 49239, 60181, 71123, 125833, 180543, 213369, 377499, 541629, 640107, 782353, 1132497, 1384163, 1635829, 2347059, 4152489, 4907487, 7041177, 12457467, 14722461, 17994119, 53982357, 161947071]

約数ペア:

[(1, 161947071), (3, 53982357), (9, 17994119), (11, 14722461), (13, 12457467), (23, 7041177), (33, 4907487), (39, 4152489), (69, 2347059), (99, 1635829), (117, 1384163), (143, 1132497), (207, 782353), (253, 640107), (299, 541629), (429, 377499), (759, 213369), (897, 180543), (1287, 125833), (2277, 71123), (2691, 60181), (3289, 49239), (5471, 29601), (9867, 16413)]