28920933

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{68371}}^1$

素因数の和:68424

約数の個数: 12

約数和(自身を含む): 42664128

約数和(自身を除く): 13743195

約数列:

[1, 3, 9, 47, 141, 423, 68371, 205113, 615339, 3213437, 9640311, 28920933]

約数ペア:

[(1, 28920933), (3, 9640311), (9, 3213437), (47, 615339), (141, 205113), (423, 68371)]