81415275

素因数分解:

$3^1\times 5^2\times {\mathrm{823}}^1\times {\mathrm{1319}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 134872320

約数和(自身を除く): 53457045

約数列:

[1, 3, 5, 15, 25, 75, 823, 1319, 2469, 3957, 4115, 6595, 12345, 19785, 20575, 32975, 61725, 98925, 1085537, 3256611, 5427685, 16283055, 27138425, 81415275]

約数ペア:

[(1, 81415275), (3, 27138425), (5, 16283055), (15, 5427685), (25, 3256611), (75, 1085537), (823, 98925), (1319, 61725), (2469, 32975), (3957, 20575), (4115, 19785), (6595, 12345)]