81629226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647851}}^1$

素因数の和:647866

約数の個数: 24

約数和(自身を含む): 202129824

約数和(自身を除く): 120500598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647851, 1295702, 1943553, 3887106, 4534957, 5830659, 9069914, 11661318, 13604871, 27209742, 40814613, 81629226]

約数ペア:

[(1, 81629226), (2, 40814613), (3, 27209742), (6, 13604871), (7, 11661318), (9, 9069914), (14, 5830659), (18, 4534957), (21, 3887106), (42, 1943553), (63, 1295702), (126, 647851)]