289018899

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 485886960

約数和(自身を除く): 196868061

約数列:

[1, 3, 9, 13, 19, 39, 57, 73, 117, 137, 169, 171, 219, 247, 411, 507, 657, 741, 949, 1233, 1387, 1521, 1781, 2223, 2603, 2847, 3211, 4161, 5343, 7809, 8541, 9633, 10001, 12337, 12483, 16029, 18031, 23153, 23427, 28899, 30003, 33839, 37011, 54093, 69459, 90009, 101517, 111033, 130013, 162279, 190019, 208377, 234403, 304551, 390039, 439907, 570057, 703209, 1170117, 1319721, 1690169, 1710171, 2109627, 2470247, 3959163, 5070507, 7410741, 15211521, 22232223, 32113211, 96339633, 289018899]

約数ペア:

[(1, 289018899), (3, 96339633), (9, 32113211), (13, 22232223), (19, 15211521), (39, 7410741), (57, 5070507), (73, 3959163), (117, 2470247), (137, 2109627), (169, 1710171), (171, 1690169), (219, 1319721), (247, 1170117), (411, 703209), (507, 570057), (657, 439907), (741, 390039), (949, 304551), (1233, 234403), (1387, 208377), (1521, 190019), (1781, 162279), (2223, 130013), (2603, 111033), (2847, 101517), (3211, 90009), (4161, 69459), (5343, 54093), (7809, 37011), (8541, 33839), (9633, 30003), (10001, 28899), (12337, 23427), (12483, 23153), (16029, 18031)]