2009388537

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 3329838720

約数和(自身を除く): 1320450183

約数列:

[1, 3, 9, 13, 23, 39, 69, 71, 117, 169, 207, 213, 299, 507, 639, 809, 897, 923, 1521, 1633, 2427, 2691, 2769, 3887, 4899, 7281, 8307, 10517, 11661, 11999, 14697, 18607, 21229, 31551, 34983, 35997, 55821, 57439, 63687, 94653, 107991, 136721, 167463, 172317, 191061, 241891, 275977, 410163, 516951, 725673, 746707, 827931, 1230489, 1321097, 2177019, 2240121, 2483793, 3144583, 3963291, 6720363, 9433749, 9707191, 11889873, 17174261, 28301247, 29121573, 51522783, 87364719, 154568349, 223265393, 669796179, 2009388537]

約数ペア:

[(1, 2009388537), (3, 669796179), (9, 223265393), (13, 154568349), (23, 87364719), (39, 51522783), (69, 29121573), (71, 28301247), (117, 17174261), (169, 11889873), (207, 9707191), (213, 9433749), (299, 6720363), (507, 3963291), (639, 3144583), (809, 2483793), (897, 2240121), (923, 2177019), (1521, 1321097), (1633, 1230489), (2427, 827931), (2691, 746707), (2769, 725673), (3887, 516951), (4899, 410163), (7281, 275977), (8307, 241891), (10517, 191061), (11661, 172317), (11999, 167463), (14697, 136721), (18607, 107991), (21229, 94653), (31551, 63687), (34983, 57439), (35997, 55821)]