30387973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20771}}^1$

素因数の和:20808

約数の個数: 16

約数和(自身を含む): 39882240

約数和(自身を除く): 9494267

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 20771, 145397, 228481, 394649, 1599367, 2762543, 4341139, 30387973]

約数ペア:

[(1, 30387973), (7, 4341139), (11, 2762543), (19, 1599367), (77, 394649), (133, 228481), (209, 145397), (1463, 20771)]