209905128

素因数分解:

$2^3\times 3^3\times {\mathrm{971783}}^1$

素因数の和:971798

約数の個数: 32

約数和(自身を含む): 583070400

約数和(自身を除く): 373165272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 971783, 1943566, 2915349, 3887132, 5830698, 7774264, 8746047, 11661396, 17492094, 23322792, 26238141, 34984188, 52476282, 69968376, 104952564, 209905128]

約数ペア:

[(1, 209905128), (2, 104952564), (3, 69968376), (4, 52476282), (6, 34984188), (8, 26238141), (9, 23322792), (12, 17492094), (18, 11661396), (24, 8746047), (27, 7774264), (36, 5830698), (54, 3887132), (72, 2915349), (108, 1943566), (216, 971783)]