205865811

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 310073400

約数和(自身を除く): 104207589

約数列:

[1, 3, 9, 43, 89, 129, 139, 267, 387, 417, 801, 1251, 1849, 3827, 5547, 5977, 11481, 12371, 16641, 17931, 34443, 37113, 53793, 111339, 164561, 257011, 493683, 531953, 771033, 1481049, 1595859, 2313099, 4787577, 22873979, 68621937, 205865811]

約数ペア:

[(1, 205865811), (3, 68621937), (9, 22873979), (43, 4787577), (89, 2313099), (129, 1595859), (139, 1481049), (267, 771033), (387, 531953), (417, 493683), (801, 257011), (1251, 164561), (1849, 111339), (3827, 53793), (5547, 37113), (5977, 34443), (11481, 17931), (12371, 16641)]