81701055

素因数分解:

$3^4\times 5^1\times {\mathrm{201731}}^1$

素因数の和:201748

約数の個数: 20

約数和(自身を含む): 146457432

約数和(自身を除く): 64756377

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 201731, 605193, 1008655, 1815579, 3025965, 5446737, 9077895, 16340211, 27233685, 81701055]

約数ペア:

[(1, 81701055), (3, 27233685), (5, 16340211), (9, 9077895), (15, 5446737), (27, 3025965), (45, 1815579), (81, 1008655), (135, 605193), (405, 201731)]