26142993

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{16987}}^1$

素因数の和:17018

約数の個数: 20

約数和(自身を含む): 41110960

約数和(自身を除く): 14967967

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 16987, 50961, 152883, 322753, 458649, 968259, 1375947, 2904777, 8714331, 26142993]

約数ペア:

[(1, 26142993), (3, 8714331), (9, 2904777), (19, 1375947), (27, 968259), (57, 458649), (81, 322753), (171, 152883), (513, 50961), (1539, 16987)]