40839939

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4129}}^1$

素因数の和:4299

約数の個数: 24

約数和(自身を含む): 67864160

約数和(自身を除く): 27024221

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 3297, 4129, 9891, 12387, 28903, 37161, 86709, 260127, 648253, 1944759, 4537771, 5834277, 13613313, 40839939]

約数ペア:

[(1, 40839939), (3, 13613313), (7, 5834277), (9, 4537771), (21, 1944759), (63, 648253), (157, 260127), (471, 86709), (1099, 37161), (1413, 28903), (3297, 12387), (4129, 9891)]