138836745

素因数分解:

$3^2\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{1979}}^1$

素因数の和:3549

約数の個数: 24

約数和(自身を含む): 240926400

約数和(自身を除く): 102089655

約数列:

[1, 3, 5, 9, 15, 45, 1559, 1979, 4677, 5937, 7795, 9895, 14031, 17811, 23385, 29685, 70155, 89055, 3085261, 9255783, 15426305, 27767349, 46278915, 138836745]

約数ペア:

[(1, 138836745), (3, 46278915), (5, 27767349), (9, 15426305), (15, 9255783), (45, 3085261), (1559, 89055), (1979, 70155), (4677, 29685), (5937, 23385), (7795, 17811), (9895, 14031)]