15678887715

素因数分解:

$3^4\times 5^1\times {\mathrm{38713303}}^1$

素因数の和:38713320

約数の個数: 20

約数和(自身を含む): 28105858704

約数和(自身を除く): 12426970989

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 38713303, 116139909, 193566515, 348419727, 580699545, 1045259181, 1742098635, 3135777543, 5226295905, 15678887715]

約数ペア:

[(1, 15678887715), (3, 5226295905), (5, 3135777543), (9, 1742098635), (15, 1045259181), (27, 580699545), (45, 348419727), (81, 193566515), (135, 116139909), (405, 38713303)]