40515657

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 71608320

約数和(自身を除く): 31092663

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 73, 91, 107, 133, 219, 247, 273, 321, 399, 511, 741, 749, 949, 1387, 1391, 1533, 1729, 2033, 2247, 2847, 4161, 4173, 5187, 6099, 6643, 7811, 9709, 9737, 14231, 18031, 19929, 23433, 26429, 29127, 29211, 42693, 54093, 54677, 79287, 101543, 126217, 148409, 164031, 185003, 304629, 378651, 445227, 555009, 710801, 1038863, 1929317, 2132403, 3116589, 5787951, 13505219, 40515657]

約数ペア:

[(1, 40515657), (3, 13505219), (7, 5787951), (13, 3116589), (19, 2132403), (21, 1929317), (39, 1038863), (57, 710801), (73, 555009), (91, 445227), (107, 378651), (133, 304629), (219, 185003), (247, 164031), (273, 148409), (321, 126217), (399, 101543), (511, 79287), (741, 54677), (749, 54093), (949, 42693), (1387, 29211), (1391, 29127), (1533, 26429), (1729, 23433), (2033, 19929), (2247, 18031), (2847, 14231), (4161, 9737), (4173, 9709), (5187, 7811), (6099, 6643)]