2213211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 4051712

約数和(自身を除く): 1838501

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 67, 77, 91, 121, 143, 201, 231, 273, 363, 429, 469, 737, 847, 871, 1001, 1407, 1573, 2211, 2541, 2613, 3003, 4719, 5159, 6097, 8107, 9581, 11011, 15477, 18291, 24321, 28743, 33033, 56749, 67067, 105391, 170247, 201201, 316173, 737737, 2213211]

約数ペア:

[(1, 2213211), (3, 737737), (7, 316173), (11, 201201), (13, 170247), (21, 105391), (33, 67067), (39, 56749), (67, 33033), (77, 28743), (91, 24321), (121, 18291), (143, 15477), (201, 11011), (231, 9581), (273, 8107), (363, 6097), (429, 5159), (469, 4719), (737, 3003), (847, 2613), (871, 2541), (1001, 2211), (1407, 1573)]