405678429

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67987}}^1$

素因数の和:68026

約数の個数: 32

約数和(自身を含む): 685319040

約数和(自身を除く): 279640611

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 67987, 203961, 611883, 883831, 1155779, 1835649, 2651493, 3467337, 7954479, 10402011, 15025127, 23863437, 31206033, 45075381, 135226143, 405678429]

約数ペア:

[(1, 405678429), (3, 135226143), (9, 45075381), (13, 31206033), (17, 23863437), (27, 15025127), (39, 10402011), (51, 7954479), (117, 3467337), (153, 2651493), (221, 1835649), (351, 1155779), (459, 883831), (663, 611883), (1989, 203961), (5967, 67987)]