201721611

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 336462336

約数和(自身を除く): 134740725

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 169, 273, 339, 503, 507, 791, 1183, 1469, 1509, 2373, 3521, 3549, 4407, 6539, 10283, 10563, 19097, 19617, 30849, 45773, 56839, 57291, 85007, 133679, 137319, 170517, 255021, 397873, 401037, 595049, 738907, 1193619, 1785147, 2216721, 5172349, 9605791, 15517047, 28817373, 67240537, 201721611]

約数ペア:

[(1, 201721611), (3, 67240537), (7, 28817373), (13, 15517047), (21, 9605791), (39, 5172349), (91, 2216721), (113, 1785147), (169, 1193619), (273, 738907), (339, 595049), (503, 401037), (507, 397873), (791, 255021), (1183, 170517), (1469, 137319), (1509, 133679), (2373, 85007), (3521, 57291), (3549, 56839), (4407, 45773), (6539, 30849), (10283, 19617), (10563, 19097)]