207966609

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{135131}}^1$

素因数の和:135162

約数の個数: 20

約数和(自身を含む): 327019440

約数和(自身を除く): 119052831

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 135131, 405393, 1216179, 2567489, 3648537, 7702467, 10945611, 23107401, 69322203, 207966609]

約数ペア:

[(1, 207966609), (3, 69322203), (9, 23107401), (19, 10945611), (27, 7702467), (57, 3648537), (81, 2567489), (171, 1216179), (513, 405393), (1539, 135131)]