7881219

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:606

約数の個数: 28

約数和(自身を含む): 12460200

約数和(自身を除く): 4578981

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 569, 729, 1539, 1707, 4617, 5121, 10811, 13851, 15363, 32433, 46089, 97299, 138267, 291897, 414801, 875691, 2627073, 7881219]

約数ペア:

[(1, 7881219), (3, 2627073), (9, 875691), (19, 414801), (27, 291897), (57, 138267), (81, 97299), (171, 46089), (243, 32433), (513, 15363), (569, 13851), (729, 10811), (1539, 5121), (1707, 4617)]