2748123

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 4580576

約数和(自身を除く): 1832453

約数列:

[1, 3, 7, 9, 21, 63, 181, 241, 543, 723, 1267, 1629, 1687, 2169, 3801, 5061, 11403, 15183, 43621, 130863, 305347, 392589, 916041, 2748123]

約数ペア:

[(1, 2748123), (3, 916041), (7, 392589), (9, 305347), (21, 130863), (63, 43621), (181, 15183), (241, 11403), (543, 5061), (723, 3801), (1267, 2169), (1629, 1687)]