140697405

素因数分解:

$3^4\times 5^1\times {\mathrm{347401}}^1$

素因数の和:347418

約数の個数: 20

約数和(自身を含む): 252213852

約数和(自身を除く): 111516447

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 347401, 1042203, 1737005, 3126609, 5211015, 9379827, 15633045, 28139481, 46899135, 140697405]

約数ペア:

[(1, 140697405), (3, 46899135), (5, 28139481), (9, 15633045), (15, 9379827), (27, 5211015), (45, 3126609), (81, 1737005), (135, 1042203), (405, 347401)]