28108017

素因数分解:

$3^2\times 7^2\times {\mathrm{63737}}^1$

素因数の和:63757

約数の個数: 18

約数和(自身を含む): 47229858

約数和(自身を除く): 19121841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 63737, 191211, 446159, 573633, 1338477, 3123113, 4015431, 9369339, 28108017]

約数ペア:

[(1, 28108017), (3, 9369339), (7, 4015431), (9, 3123113), (21, 1338477), (49, 573633), (63, 446159), (147, 191211), (441, 63737)]