81060289

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2111}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 89210880

約数和(自身を除く): 8150591

約数列:

[1, 19, 43, 47, 817, 893, 2021, 2111, 38399, 40109, 90773, 99217, 1724687, 1885123, 4266331, 81060289]

約数ペア:

[(1, 81060289), (19, 4266331), (43, 1885123), (47, 1724687), (817, 99217), (893, 90773), (2021, 40109), (2111, 38399)]