81911313

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{75217}}^1$

素因数の和:75245

約数の個数: 18

約数和(自身を含む): 130051922

約数和(自身を除く): 48140609

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 75217, 225651, 676953, 827387, 2482161, 7446483, 9101257, 27303771, 81911313]

約数ペア:

[(1, 81911313), (3, 27303771), (9, 9101257), (11, 7446483), (33, 2482161), (99, 827387), (121, 676953), (363, 225651), (1089, 75217)]