12905613

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1613}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 21485568

約数和(自身を除く): 8579955

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 1613, 2667, 4839, 8001, 11291, 14517, 33873, 101619, 204851, 614553, 1433957, 1843659, 4301871, 12905613]

約数ペア:

[(1, 12905613), (3, 4301871), (7, 1843659), (9, 1433957), (21, 614553), (63, 204851), (127, 101619), (381, 33873), (889, 14517), (1143, 11291), (1613, 8001), (2667, 4839)]