39998973

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{4657}}^1$

素因数の和:5076

約数の個数: 16

約数和(自身を含む): 61112960

約数和(自身を除く): 21113987

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 4657, 8589, 13971, 32599, 97797, 1904713, 5714139, 13332991, 39998973]

約数ペア:

[(1, 39998973), (3, 13332991), (7, 5714139), (21, 1904713), (409, 97797), (1227, 32599), (2863, 13971), (4657, 8589)]