1089045

素因数分解:

$3^4\times 5^1\times {\mathrm{2689}}^1$

素因数の和:2706

約数の個数: 20

約数和(自身を含む): 1952940

約数和(自身を除く): 863895

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2689, 8067, 13445, 24201, 40335, 72603, 121005, 217809, 363015, 1089045]

約数ペア:

[(1, 1089045), (3, 363015), (5, 217809), (9, 121005), (15, 72603), (27, 40335), (45, 24201), (81, 13445), (135, 8067), (405, 2689)]