638324739

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{34313}}^1$

素因数の和:34388

約数の個数: 32

約数和(自身を含む): 1037655360

約数和(自身を除く): 399330621

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 1431, 2067, 6201, 18603, 34313, 102939, 308817, 446069, 926451, 1338207, 1818589, 4014621, 5455767, 12043863, 16367301, 23641657, 49101903, 70924971, 212774913, 638324739]

約数ペア:

[(1, 638324739), (3, 212774913), (9, 70924971), (13, 49101903), (27, 23641657), (39, 16367301), (53, 12043863), (117, 5455767), (159, 4014621), (351, 1818589), (477, 1338207), (689, 926451), (1431, 446069), (2067, 308817), (6201, 102939), (18603, 34313)]