128544717

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149297}}^1$

素因数の和:149348

約数の個数: 16

約数和(自身を含む): 200656512

約数和(自身を除く): 72111795

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 149297, 447891, 1045079, 3135237, 6121177, 18363531, 42848239, 128544717]

約数ペア:

[(1, 128544717), (3, 42848239), (7, 18363531), (21, 6121177), (41, 3135237), (123, 1045079), (287, 447891), (861, 149297)]