81977541

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{1381}}^1$

素因数の和:1852

約数の個数: 16

約数和(自身を含む): 111975168

約数和(自身を除く): 29997627

約数列:

[1, 3, 47, 141, 421, 1263, 1381, 4143, 19787, 59361, 64907, 194721, 581401, 1744203, 27325847, 81977541]

約数ペア:

[(1, 81977541), (3, 27325847), (47, 1744203), (141, 581401), (421, 194721), (1263, 64907), (1381, 59361), (4143, 19787)]