28022709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 44481024

約数和(自身を除く): 16458315

約数列:

[1, 3, 11, 13, 33, 39, 83, 143, 249, 429, 787, 913, 1079, 2361, 2739, 3237, 8657, 10231, 11869, 25971, 30693, 35607, 65321, 112541, 195963, 337623, 718531, 849173, 2155593, 2547519, 9340903, 28022709]

約数ペア:

[(1, 28022709), (3, 9340903), (11, 2547519), (13, 2155593), (33, 849173), (39, 718531), (83, 337623), (143, 195963), (249, 112541), (429, 65321), (787, 35607), (913, 30693), (1079, 25971), (2361, 11869), (2739, 10231), (3237, 8657)]