6981795

素因数分解:

$3^4\times 5^1\times {\mathrm{17239}}^1$

素因数の和:17256

約数の個数: 20

約数和(自身を含む): 12516240

約数和(自身を除く): 5534445

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 17239, 51717, 86195, 155151, 258585, 465453, 775755, 1396359, 2327265, 6981795]

約数ペア:

[(1, 6981795), (3, 2327265), (5, 1396359), (9, 775755), (15, 465453), (27, 258585), (45, 155151), (81, 86195), (135, 51717), (405, 17239)]