209123577

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 336143808

約数和(自身を除く): 127020231

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 197, 211, 387, 559, 591, 633, 1677, 1773, 1899, 2561, 2743, 5031, 7683, 8229, 8471, 9073, 23049, 24687, 25413, 27219, 41567, 76239, 81657, 110123, 117949, 124701, 330369, 353847, 374103, 540371, 991107, 1061541, 1621113, 1787381, 4863339, 5362143, 16086429, 23235953, 69707859, 209123577]

約数ペア:

[(1, 209123577), (3, 69707859), (9, 23235953), (13, 16086429), (39, 5362143), (43, 4863339), (117, 1787381), (129, 1621113), (197, 1061541), (211, 991107), (387, 540371), (559, 374103), (591, 353847), (633, 330369), (1677, 124701), (1773, 117949), (1899, 110123), (2561, 81657), (2743, 76239), (5031, 41567), (7683, 27219), (8229, 25413), (8471, 24687), (9073, 23049)]