389156979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 561911040

約数和(自身を除く): 172754061

約数列:

[1, 3, 17, 51, 59, 177, 283, 457, 849, 1003, 1371, 3009, 4811, 7769, 14433, 16697, 23307, 26963, 50091, 80889, 129331, 283849, 387993, 458371, 851547, 1375113, 2198627, 6595881, 7630529, 22891587, 129718993, 389156979]

約数ペア:

[(1, 389156979), (3, 129718993), (17, 22891587), (51, 7630529), (59, 6595881), (177, 2198627), (283, 1375113), (457, 851547), (849, 458371), (1003, 387993), (1371, 283849), (3009, 129331), (4811, 80889), (7769, 50091), (14433, 26963), (16697, 23307)]