129123315

素因数分解:

$3^4\times 5^1\times {\mathrm{318823}}^1$

素因数の和:318840

約数の個数: 20

約数和(自身を含む): 231466224

約数和(自身を除く): 102342909

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 318823, 956469, 1594115, 2869407, 4782345, 8608221, 14347035, 25824663, 43041105, 129123315]

約数ペア:

[(1, 129123315), (3, 43041105), (5, 25824663), (9, 14347035), (15, 8608221), (27, 4782345), (45, 2869407), (81, 1594115), (135, 956469), (405, 318823)]