81368865

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9467}}^1$

素因数の和:9669

約数の個数: 24

約数和(自身を含む): 141792768

約数和(自身を除く): 60423903

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2865, 8595, 9467, 28401, 47335, 85203, 142005, 426015, 1808197, 5424591, 9040985, 16273773, 27122955, 81368865]

約数ペア:

[(1, 81368865), (3, 27122955), (5, 16273773), (9, 9040985), (15, 5424591), (45, 1808197), (191, 426015), (573, 142005), (955, 85203), (1719, 47335), (2865, 28401), (8595, 9467)]