397281027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{29873}}^1$

素因数の和:29931

約数の個数: 32

約数和(自身を含む): 642410496

約数和(自身を除く): 245129469

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 4433, 13299, 29873, 89619, 328603, 388349, 926063, 985809, 1165047, 2778189, 4271839, 10186693, 12038819, 12815517, 30560079, 36116457, 132427009, 397281027]

約数ペア:

[(1, 397281027), (3, 132427009), (11, 36116457), (13, 30560079), (31, 12815517), (33, 12038819), (39, 10186693), (93, 4271839), (143, 2778189), (341, 1165047), (403, 985809), (429, 926063), (1023, 388349), (1209, 328603), (4433, 89619), (13299, 29873)]