18581241

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3083}}^1$

素因数の和:3141

約数の個数: 24

約数和(自身を含む): 29532384

約数和(自身を除く): 10951143

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3083, 6027, 9249, 21581, 64743, 126403, 151067, 379209, 453201, 884821, 2654463, 6193747, 18581241]

約数ペア:

[(1, 18581241), (3, 6193747), (7, 2654463), (21, 884821), (41, 453201), (49, 379209), (123, 151067), (147, 126403), (287, 64743), (861, 21581), (2009, 9249), (3083, 6027)]