204390903

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 291755520

約数和(自身を除く): 87364617

約数列:

[1, 3, 23, 69, 83, 89, 249, 267, 401, 1203, 1909, 2047, 5727, 6141, 7387, 9223, 22161, 27669, 33283, 35689, 99849, 107067, 169901, 509703, 765509, 820847, 2296527, 2462541, 2962187, 8886561, 68130301, 204390903]

約数ペア:

[(1, 204390903), (3, 68130301), (23, 8886561), (69, 2962187), (83, 2462541), (89, 2296527), (249, 820847), (267, 765509), (401, 509703), (1203, 169901), (1909, 107067), (2047, 99849), (5727, 35689), (6141, 33283), (7387, 27669), (9223, 22161)]