28668471

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17929}}^1$

素因数の和:17986

約数の個数: 16

約数和(自身を含む): 42171360

約数和(自身を除く): 13502889

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 17929, 53787, 233077, 699231, 735089, 2205267, 9556157, 28668471]

約数ペア:

[(1, 28668471), (3, 9556157), (13, 2205267), (39, 735089), (41, 699231), (123, 233077), (533, 53787), (1599, 17929)]