84807405

素因数分解:

$3^4\times 5^1\times {\mathrm{209401}}^1$

素因数の和:209418

約数の個数: 20

約数和(自身を含む): 152025852

約数和(自身を除く): 67218447

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 209401, 628203, 1047005, 1884609, 3141015, 5653827, 9423045, 16961481, 28269135, 84807405]

約数ペア:

[(1, 84807405), (3, 28269135), (5, 16961481), (9, 9423045), (15, 5653827), (27, 3141015), (45, 1884609), (81, 1047005), (135, 628203), (405, 209401)]