81242055

素因数分解:

$3^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{821}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 144803520

約数和(自身を除く): 63561465

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 733, 821, 2199, 2463, 3665, 4105, 6597, 7389, 10995, 12315, 19791, 22167, 32985, 36945, 98955, 110835, 601793, 1805379, 3008965, 5416137, 9026895, 16248411, 27080685, 81242055]

約数ペア:

[(1, 81242055), (3, 27080685), (5, 16248411), (9, 9026895), (15, 5416137), (27, 3008965), (45, 1805379), (135, 601793), (733, 110835), (821, 98955), (2199, 36945), (2463, 32985), (3665, 22167), (4105, 19791), (6597, 12315), (7389, 10995)]