780705

素因数分解:

$3^3\times 5^1\times {\mathrm{5783}}^1$

素因数の和:5797

約数の個数: 16

約数和(自身を含む): 1388160

約数和(自身を除く): 607455

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 5783, 17349, 28915, 52047, 86745, 156141, 260235, 780705]

約数ペア:

[(1, 780705), (3, 260235), (5, 156141), (9, 86745), (15, 52047), (27, 28915), (45, 17349), (135, 5783)]