2912957721

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{81919}}^1$

素因数の和:82370

約数の個数: 20

約数和(自身を含む): 4361420800

約数和(自身を除く): 1448463079

約数列:

[1, 3, 9, 27, 81, 439, 1317, 3951, 11853, 35559, 81919, 245757, 737271, 2211813, 6635439, 35962441, 107887323, 323661969, 970985907, 2912957721]

約数ペア:

[(1, 2912957721), (3, 970985907), (9, 323661969), (27, 107887323), (81, 35962441), (439, 6635439), (1317, 2211813), (3951, 737271), (11853, 245757), (35559, 81919)]