81119973

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{5197}}^1$

素因数の和:5265

約数の個数: 24

約数和(自身を含む): 121674784

約数和(自身を除く): 40554811

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1419, 5197, 5203, 15591, 15609, 57167, 171501, 223471, 628837, 670413, 1886511, 2458181, 7374543, 27039991, 81119973]

約数ペア:

[(1, 81119973), (3, 27039991), (11, 7374543), (33, 2458181), (43, 1886511), (121, 670413), (129, 628837), (363, 223471), (473, 171501), (1419, 57167), (5197, 15609), (5203, 15591)]