20777791167

素因数分解:

$3^3\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{90631}}^1$

素因数の和:91860

約数の個数: 32

約数和(自身を含む): 35208719360

約数和(自身を除く): 14430928193

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1213, 3639, 8491, 10917, 25473, 32751, 76419, 90631, 229257, 271893, 634417, 815679, 1903251, 2447037, 5709753, 17129259, 109935403, 329806209, 769547821, 989418627, 2308643463, 2968255881, 6925930389, 20777791167]

約数ペア:

[(1, 20777791167), (3, 6925930389), (7, 2968255881), (9, 2308643463), (21, 989418627), (27, 769547821), (63, 329806209), (189, 109935403), (1213, 17129259), (3639, 5709753), (8491, 2447037), (10917, 1903251), (25473, 815679), (32751, 634417), (76419, 271893), (90631, 229257)]