217522071

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19991}}^1$

素因数の和:20044

約数の個数: 32

約数和(自身を含む): 358256640

約数和(自身を除く): 140734569

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 3627, 10881, 19991, 59973, 179919, 259883, 539757, 619721, 779649, 1859163, 2338947, 5577489, 7016841, 8056373, 16732467, 24169119, 72507357, 217522071]

約数ペア:

[(1, 217522071), (3, 72507357), (9, 24169119), (13, 16732467), (27, 8056373), (31, 7016841), (39, 5577489), (93, 2338947), (117, 1859163), (279, 779649), (351, 619721), (403, 539757), (837, 259883), (1209, 179919), (3627, 59973), (10881, 19991)]