7744005

素因数分解:

$3^4\times 5^1\times {\mathrm{19121}}^1$

素因数の和:19138

約数の個数: 20

約数和(自身を含む): 13882572

約数和(自身を除く): 6138567

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19121, 57363, 95605, 172089, 286815, 516267, 860445, 1548801, 2581335, 7744005]

約数ペア:

[(1, 7744005), (3, 2581335), (5, 1548801), (9, 860445), (15, 516267), (27, 286815), (45, 172089), (81, 95605), (135, 57363), (405, 19121)]