91989945

素因数分解:

$3^3\times 5^1\times {\mathrm{681407}}^1$

素因数の和:681421

約数の個数: 16

約数和(自身を含む): 163537920

約数和(自身を除く): 71547975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 681407, 2044221, 3407035, 6132663, 10221105, 18397989, 30663315, 91989945]

約数ペア:

[(1, 91989945), (3, 30663315), (5, 18397989), (9, 10221105), (15, 6132663), (27, 3407035), (45, 2044221), (135, 681407)]