5139045

素因数分解:

$3^4\times 5^1\times {\mathrm{12689}}^1$

素因数の和:12706

約数の個数: 20

約数和(自身を含む): 9212940

約数和(自身を除く): 4073895

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 12689, 38067, 63445, 114201, 190335, 342603, 571005, 1027809, 1713015, 5139045]

約数ペア:

[(1, 5139045), (3, 1713015), (5, 1027809), (9, 571005), (15, 342603), (27, 190335), (45, 114201), (81, 63445), (135, 38067), (405, 12689)]