127788255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{405677}}^1$

素因数の和:405695

約数の個数: 24

約数和(自身を含む): 253143072

約数和(自身を除く): 125354817

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 405677, 1217031, 2028385, 2839739, 3651093, 6085155, 8519217, 14198695, 18255465, 25557651, 42596085, 127788255]

約数ペア:

[(1, 127788255), (3, 42596085), (5, 25557651), (7, 18255465), (9, 14198695), (15, 8519217), (21, 6085155), (35, 3651093), (45, 2839739), (63, 2028385), (105, 1217031), (315, 405677)]