13978221

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 19115520

約数和(自身を除く): 5137299

約数列:

[1, 3, 59, 151, 177, 453, 523, 1569, 8909, 26727, 30857, 78973, 92571, 236919, 4659407, 13978221]

約数ペア:

[(1, 13978221), (3, 4659407), (59, 236919), (151, 92571), (177, 78973), (453, 30857), (523, 26727), (1569, 8909)]