231900471

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 374400000

約数和(自身を除く): 142499529

約数列:

[1, 3, 9, 11, 33, 79, 99, 149, 199, 237, 447, 597, 711, 869, 1341, 1639, 1791, 2189, 2607, 4917, 6567, 7821, 11771, 14751, 15721, 19701, 29651, 35313, 47163, 88953, 105939, 129481, 141489, 172931, 266859, 326161, 388443, 518793, 978483, 1165329, 1556379, 2342429, 2935449, 7027287, 21081861, 25766719, 77300157, 231900471]

約数ペア:

[(1, 231900471), (3, 77300157), (9, 25766719), (11, 21081861), (33, 7027287), (79, 2935449), (99, 2342429), (149, 1556379), (199, 1165329), (237, 978483), (447, 518793), (597, 388443), (711, 326161), (869, 266859), (1341, 172931), (1639, 141489), (1791, 129481), (2189, 105939), (2607, 88953), (4917, 47163), (6567, 35313), (7821, 29651), (11771, 19701), (14751, 15721)]