28368207

素因数分解:

$3^2\times 7^2\times {\mathrm{64327}}^1$

素因数の和:64347

約数の個数: 18

約数和(自身を含む): 47667048

約数和(自身を除く): 19298841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64327, 192981, 450289, 578943, 1350867, 3152023, 4052601, 9456069, 28368207]

約数ペア:

[(1, 28368207), (3, 9456069), (7, 4052601), (9, 3152023), (21, 1350867), (49, 578943), (63, 450289), (147, 192981), (441, 64327)]