28130223

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 44416512

約数和(自身を除く): 16286289

約数列:

[1, 3, 11, 17, 33, 41, 51, 123, 187, 451, 561, 697, 1223, 1353, 2091, 3669, 7667, 13453, 20791, 23001, 40359, 50143, 62373, 150429, 228701, 551573, 686103, 852431, 1654719, 2557293, 9376741, 28130223]

約数ペア:

[(1, 28130223), (3, 9376741), (11, 2557293), (17, 1654719), (33, 852431), (41, 686103), (51, 551573), (123, 228701), (187, 150429), (451, 62373), (561, 50143), (697, 40359), (1223, 23001), (1353, 20791), (2091, 13453), (3669, 7667)]