205316919

素因数分解:

$3^2\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 300484080

約数和(自身を除く): 95167161

約数列:

[1, 3, 9, 163, 173, 489, 519, 809, 1467, 1557, 2427, 7281, 28199, 84597, 131867, 139957, 253791, 395601, 419871, 1186803, 1259613, 22812991, 68438973, 205316919]

約数ペア:

[(1, 205316919), (3, 68438973), (9, 22812991), (163, 1259613), (173, 1186803), (489, 419871), (519, 395601), (809, 253791), (1467, 139957), (1557, 131867), (2427, 84597), (7281, 28199)]