30905399

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 37148160

約数和(自身を除く): 6242761

約数列:

[1, 7, 23, 139, 161, 973, 1381, 3197, 9667, 22379, 31763, 191959, 222341, 1343713, 4415057, 30905399]

約数ペア:

[(1, 30905399), (7, 4415057), (23, 1343713), (139, 222341), (161, 191959), (973, 31763), (1381, 22379), (3197, 9667)]