221420057

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1627}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 237401472

約数和(自身を除く): 15981415

約数列:

[1, 23, 61, 97, 1403, 1627, 2231, 5917, 37421, 99247, 136091, 157819, 2282681, 3629837, 9626959, 221420057]

約数ペア:

[(1, 221420057), (23, 9626959), (61, 3629837), (97, 2282681), (1403, 157819), (1627, 136091), (2231, 99247), (5917, 37421)]