782055

素因数分解:

$3^4\times 5^1\times {\mathrm{1931}}^1$

素因数の和:1948

約数の個数: 20

約数和(自身を含む): 1402632

約数和(自身を除く): 620577

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1931, 5793, 9655, 17379, 28965, 52137, 86895, 156411, 260685, 782055]

約数ペア:

[(1, 782055), (3, 260685), (5, 156411), (9, 86895), (15, 52137), (27, 28965), (45, 17379), (81, 9655), (135, 5793), (405, 1931)]