28724907

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1973}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 40174848

約数和(自身を除く): 11449941

約数列:

[1, 3, 23, 69, 211, 633, 1973, 4853, 5919, 14559, 45379, 136137, 416303, 1248909, 9574969, 28724907]

約数ペア:

[(1, 28724907), (3, 9574969), (23, 1248909), (69, 416303), (211, 136137), (633, 45379), (1973, 14559), (4853, 5919)]