2821554729

素因数分解:

$3^4\times 7^1\times {\mathrm{2083}}^1\times {\mathrm{2389}}^1$

素因数の和:4491

約数の個数: 40

約数和(自身を含む): 4821375680

約数和(自身を除く): 1999820951

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2083, 2389, 6249, 7167, 14581, 16723, 18747, 21501, 43743, 50169, 56241, 64503, 131229, 150507, 168723, 193509, 393687, 451521, 1181061, 1354563, 4976287, 14928861, 34834009, 44786583, 104502027, 134359749, 313506081, 403079247, 940518243, 2821554729]

約数ペア:

[(1, 2821554729), (3, 940518243), (7, 403079247), (9, 313506081), (21, 134359749), (27, 104502027), (63, 44786583), (81, 34834009), (189, 14928861), (567, 4976287), (2083, 1354563), (2389, 1181061), (6249, 451521), (7167, 393687), (14581, 193509), (16723, 168723), (18747, 150507), (21501, 131229), (43743, 64503), (50169, 56241)]