7261245

素因数分解:

$3^4\times 5^1\times {\mathrm{17929}}^1$

素因数の和:17946

約数の個数: 20

約数和(自身を含む): 13017180

約数和(自身を除く): 5755935

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 17929, 53787, 89645, 161361, 268935, 484083, 806805, 1452249, 2420415, 7261245]

約数ペア:

[(1, 7261245), (3, 2420415), (5, 1452249), (9, 806805), (15, 484083), (27, 268935), (45, 161361), (81, 89645), (135, 53787), (405, 17929)]