81625446

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647821}}^1$

素因数の和:647836

約数の個数: 24

約数和(自身を含む): 202120464

約数和(自身を除く): 120495018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647821, 1295642, 1943463, 3886926, 4534747, 5830389, 9069494, 11660778, 13604241, 27208482, 40812723, 81625446]

約数ペア:

[(1, 81625446), (2, 40812723), (3, 27208482), (6, 13604241), (7, 11660778), (9, 9069494), (14, 5830389), (18, 4534747), (21, 3886926), (42, 1943463), (63, 1295642), (126, 647821)]