3405807

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{2213}}^1$

素因数の和:2244

約数の個数: 20

約数和(自身を含む): 5357880

約数和(自身を除く): 1952073

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 2213, 6639, 19917, 42047, 59751, 126141, 179253, 378423, 1135269, 3405807]

約数ペア:

[(1, 3405807), (3, 1135269), (9, 378423), (19, 179253), (27, 126141), (57, 59751), (81, 42047), (171, 19917), (513, 6639), (1539, 2213)]