2778255

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 4869072

約数和(自身を除く): 2090817

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 577, 963, 1605, 1731, 2885, 4815, 5193, 8655, 25965, 61739, 185217, 308695, 555651, 926085, 2778255]

約数ペア:

[(1, 2778255), (3, 926085), (5, 555651), (9, 308695), (15, 185217), (45, 61739), (107, 25965), (321, 8655), (535, 5193), (577, 4815), (963, 2885), (1605, 1731)]