2212119

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 4094272

約数和(自身を除く): 1882153

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 73, 91, 111, 117, 219, 259, 273, 333, 481, 511, 657, 777, 819, 949, 1443, 1533, 2331, 2701, 2847, 3367, 4329, 4599, 6643, 8103, 8541, 10101, 18907, 19929, 24309, 30303, 35113, 56721, 59787, 105339, 170163, 245791, 316017, 737373, 2212119]

約数ペア:

[(1, 2212119), (3, 737373), (7, 316017), (9, 245791), (13, 170163), (21, 105339), (37, 59787), (39, 56721), (63, 35113), (73, 30303), (91, 24309), (111, 19929), (117, 18907), (219, 10101), (259, 8541), (273, 8103), (333, 6643), (481, 4599), (511, 4329), (657, 3367), (777, 2847), (819, 2701), (949, 2331), (1443, 1533)]