18884151

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 33815040

約数和(自身を除く): 14930889

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 67, 73, 99, 117, 143, 201, 219, 297, 351, 429, 603, 657, 737, 803, 871, 949, 1287, 1809, 1971, 2211, 2409, 2613, 2847, 3861, 4891, 6633, 7227, 7839, 8541, 9581, 10439, 14673, 19899, 21681, 23517, 25623, 28743, 31317, 44019, 53801, 63583, 86229, 93951, 132057, 161403, 190749, 258687, 281853, 484209, 572247, 699413, 1452627, 1716741, 2098239, 6294717, 18884151]

約数ペア:

[(1, 18884151), (3, 6294717), (9, 2098239), (11, 1716741), (13, 1452627), (27, 699413), (33, 572247), (39, 484209), (67, 281853), (73, 258687), (99, 190749), (117, 161403), (143, 132057), (201, 93951), (219, 86229), (297, 63583), (351, 53801), (429, 44019), (603, 31317), (657, 28743), (737, 25623), (803, 23517), (871, 21681), (949, 19899), (1287, 14673), (1809, 10439), (1971, 9581), (2211, 8541), (2409, 7839), (2613, 7227), (2847, 6633), (3861, 4891)]