206511903

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 355985280

約数和(自身を除く): 149473377

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 53, 117, 153, 159, 221, 351, 459, 477, 653, 663, 689, 901, 1431, 1959, 1989, 2067, 2703, 5877, 5967, 6201, 8109, 8489, 11101, 11713, 17631, 18603, 24327, 25467, 33303, 34609, 35139, 76401, 99909, 103827, 105417, 144313, 229203, 299727, 311481, 316251, 432939, 449917, 588353, 934443, 1298817, 1349751, 1765059, 3896451, 4049253, 5295177, 7648589, 12147759, 15885531, 22945767, 68837301, 206511903]

約数ペア:

[(1, 206511903), (3, 68837301), (9, 22945767), (13, 15885531), (17, 12147759), (27, 7648589), (39, 5295177), (51, 4049253), (53, 3896451), (117, 1765059), (153, 1349751), (159, 1298817), (221, 934443), (351, 588353), (459, 449917), (477, 432939), (653, 316251), (663, 311481), (689, 299727), (901, 229203), (1431, 144313), (1959, 105417), (1989, 103827), (2067, 99909), (2703, 76401), (5877, 35139), (5967, 34609), (6201, 33303), (8109, 25467), (8489, 24327), (11101, 18603), (11713, 17631)]