209217546

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 475580160

約数和(自身を除く): 266362614

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 197, 213, 277, 394, 426, 554, 591, 639, 831, 1182, 1278, 1662, 1773, 1917, 2493, 3546, 3834, 4986, 5319, 7479, 10638, 13987, 14958, 19667, 27974, 39334, 41961, 54569, 59001, 83922, 109138, 118002, 125883, 163707, 177003, 251766, 327414, 354006, 377649, 491121, 531009, 755298, 982242, 1062018, 1473363, 2946726, 3874399, 7748798, 11623197, 23246394, 34869591, 69739182, 104608773, 209217546]

約数ペア:

[(1, 209217546), (2, 104608773), (3, 69739182), (6, 34869591), (9, 23246394), (18, 11623197), (27, 7748798), (54, 3874399), (71, 2946726), (142, 1473363), (197, 1062018), (213, 982242), (277, 755298), (394, 531009), (426, 491121), (554, 377649), (591, 354006), (639, 327414), (831, 251766), (1182, 177003), (1278, 163707), (1662, 125883), (1773, 118002), (1917, 109138), (2493, 83922), (3546, 59001), (3834, 54569), (4986, 41961), (5319, 39334), (7479, 27974), (10638, 19667), (13987, 14958)]