213022719

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8969}}^1$

素因数の和:9024

約数の個数: 48

約数和(自身を含む): 391809600

約数和(自身を除く): 178786881

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2639, 3393, 7917, 8969, 23751, 26907, 62783, 80721, 116597, 188349, 260101, 349791, 565047, 780303, 816179, 1049373, 1820707, 2340909, 2448537, 3381313, 5462121, 7345611, 10143939, 16386363, 23669191, 30431817, 71007573, 213022719]

約数ペア:

[(1, 213022719), (3, 71007573), (7, 30431817), (9, 23669191), (13, 16386363), (21, 10143939), (29, 7345611), (39, 5462121), (63, 3381313), (87, 2448537), (91, 2340909), (117, 1820707), (203, 1049373), (261, 816179), (273, 780303), (377, 565047), (609, 349791), (819, 260101), (1131, 188349), (1827, 116597), (2639, 80721), (3393, 62783), (7917, 26907), (8969, 23751)]