28357695

素因数分解:

$3^4\times 5^1\times {\mathrm{70019}}^1$

素因数の和:70036

約数の個数: 20

約数和(自身を含む): 50834520

約数和(自身を除く): 22476825

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70019, 210057, 350095, 630171, 1050285, 1890513, 3150855, 5671539, 9452565, 28357695]

約数ペア:

[(1, 28357695), (3, 9452565), (5, 5671539), (9, 3150855), (15, 1890513), (27, 1050285), (45, 630171), (81, 350095), (135, 210057), (405, 70019)]