28049763

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1933}}^1$

素因数の和:2634

約数の個数: 16

約数和(自身を含む): 42826496

約数和(自身を除く): 14776733

約数列:

[1, 3, 7, 21, 691, 1933, 2073, 4837, 5799, 13531, 14511, 40593, 1335703, 4007109, 9349921, 28049763]

約数ペア:

[(1, 28049763), (3, 9349921), (7, 4007109), (21, 1335703), (691, 40593), (1933, 14511), (2073, 13531), (4837, 5799)]