161856807

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{187987}}^1$

素因数の和:188038

約数の個数: 16

約数和(自身を含む): 252655872

約数和(自身を除く): 90799065

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 187987, 563961, 1315909, 3947727, 7707467, 23122401, 53952269, 161856807]

約数ペア:

[(1, 161856807), (3, 53952269), (7, 23122401), (21, 7707467), (41, 3947727), (123, 1315909), (287, 563961), (861, 187987)]