156638427

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{128287}}^1$

素因数の和:128338

約数の個数: 16

約数和(自身を含む): 233997312

約数和(自身を除く): 77358885

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 128287, 384861, 1411157, 4233471, 4746619, 14239857, 52212809, 156638427]

約数ペア:

[(1, 156638427), (3, 52212809), (11, 14239857), (33, 4746619), (37, 4233471), (111, 1411157), (407, 384861), (1221, 128287)]