551567991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{16619}}^1$

素因数の和:16695

約数の個数: 32

約数和(自身を含む): 848816640

約数和(自身を除く): 297248649

約数列:

[1, 3, 13, 23, 37, 39, 69, 111, 299, 481, 851, 897, 1443, 2553, 11063, 16619, 33189, 49857, 216047, 382237, 614903, 648141, 1146711, 1844709, 4969081, 7993739, 14142769, 14907243, 23981217, 42428307, 183855997, 551567991]

約数ペア:

[(1, 551567991), (3, 183855997), (13, 42428307), (23, 23981217), (37, 14907243), (39, 14142769), (69, 7993739), (111, 4969081), (299, 1844709), (481, 1146711), (851, 648141), (897, 614903), (1443, 382237), (2553, 216047), (11063, 49857), (16619, 33189)]