639671109

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2769139}}^1$

素因数の和:2769160

約数の個数: 16

約数和(自身を含む): 1063349760

約数和(自身を除く): 423678651

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 2769139, 8307417, 19383973, 30460529, 58151919, 91381587, 213223703, 639671109]

約数ペア:

[(1, 639671109), (3, 213223703), (7, 91381587), (11, 58151919), (21, 30460529), (33, 19383973), (77, 8307417), (231, 2769139)]