81545025

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{6007}}^1$

素因数の和:6201

約数の個数: 24

約数和(自身を含む): 135588544

約数和(自身を除く): 54043519

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 2715, 4525, 6007, 13575, 18021, 30035, 90105, 150175, 450525, 1087267, 3261801, 5436335, 16309005, 27181675, 81545025]

約数ペア:

[(1, 81545025), (3, 27181675), (5, 16309005), (15, 5436335), (25, 3261801), (75, 1087267), (181, 450525), (543, 150175), (905, 90105), (2715, 30035), (4525, 18021), (6007, 13575)]