211977471

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{773}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 316535040

約数和(自身を除く): 104557569

約数列:

[1, 3, 17, 19, 51, 57, 283, 323, 773, 849, 969, 2319, 4811, 5377, 13141, 14433, 14687, 16131, 39423, 44061, 91409, 218759, 249679, 274227, 656277, 749037, 3718903, 4156421, 11156709, 12469263, 70659157, 211977471]

約数ペア:

[(1, 211977471), (3, 70659157), (17, 12469263), (19, 11156709), (51, 4156421), (57, 3718903), (283, 749037), (323, 656277), (773, 274227), (849, 249679), (969, 218759), (2319, 91409), (4811, 44061), (5377, 39423), (13141, 16131), (14433, 14687)]