81722385

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4621}}^1$

素因数の和:4766

約数の個数: 32

約数和(自身を含む): 146424960

約数和(自身を除く): 64702575

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1965, 3537, 4621, 5895, 13863, 17685, 23105, 41589, 69315, 124767, 207945, 605351, 623835, 1816053, 3026755, 5448159, 9080265, 16344477, 27240795, 81722385]

約数ペア:

[(1, 81722385), (3, 27240795), (5, 16344477), (9, 9080265), (15, 5448159), (27, 3026755), (45, 1816053), (131, 623835), (135, 605351), (393, 207945), (655, 124767), (1179, 69315), (1965, 41589), (3537, 23105), (4621, 17685), (5895, 13863)]