259987455

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21163}}^1$

素因数の和:21197

約数の個数: 64

約数和(自身を含む): 568888320

約数和(自身を除く): 308900865

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1755, 2457, 4095, 12285, 21163, 63489, 105815, 148141, 190467, 275119, 317445, 444423, 571401, 740705, 825357, 952335, 1333269, 1375595, 1925833, 2222115, 2476071, 2857005, 3999807, 4126785, 5777499, 6666345, 7428213, 9629165, 12380355, 17332497, 19999035, 28887495, 37141065, 51997491, 86662485, 259987455]

約数ペア:

[(1, 259987455), (3, 86662485), (5, 51997491), (7, 37141065), (9, 28887495), (13, 19999035), (15, 17332497), (21, 12380355), (27, 9629165), (35, 7428213), (39, 6666345), (45, 5777499), (63, 4126785), (65, 3999807), (91, 2857005), (105, 2476071), (117, 2222115), (135, 1925833), (189, 1375595), (195, 1333269), (273, 952335), (315, 825357), (351, 740705), (455, 571401), (585, 444423), (819, 317445), (945, 275119), (1365, 190467), (1755, 148141), (2457, 105815), (4095, 63489), (12285, 21163)]