81591801

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 110134848

約数和(自身を除く): 28543047

約数列:

[1, 3, 157, 211, 471, 633, 821, 2463, 33127, 99381, 128897, 173231, 386691, 519693, 27197267, 81591801]

約数ペア:

[(1, 81591801), (3, 27197267), (157, 519693), (211, 386691), (471, 173231), (633, 128897), (821, 99381), (2463, 33127)]