138798195

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{215191}}^1$

素因数の和:215242

約数の個数: 16

約数和(自身を含む): 227242752

約数和(自身を除く): 88444557

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 215191, 645573, 1075955, 3227865, 9253213, 27759639, 46266065, 138798195]

約数ペア:

[(1, 138798195), (3, 46266065), (5, 27759639), (15, 9253213), (43, 3227865), (129, 1075955), (215, 645573), (645, 215191)]