81985215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{709}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 141704640

約数和(自身を除く): 59719425

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 593, 709, 1779, 2127, 2965, 3545, 7709, 8895, 9217, 10635, 23127, 27651, 38545, 46085, 115635, 138255, 420437, 1261311, 2102185, 5465681, 6306555, 16397043, 27328405, 81985215]

約数ペア:

[(1, 81985215), (3, 27328405), (5, 16397043), (13, 6306555), (15, 5465681), (39, 2102185), (65, 1261311), (195, 420437), (593, 138255), (709, 115635), (1779, 46085), (2127, 38545), (2965, 27651), (3545, 23127), (7709, 10635), (8895, 9217)]