23921163

素因数分解:

$3^5\times 7^4\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 60

約数和(自身を含む): 42821688

約数和(自身を除く): 18900525

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 81, 123, 147, 189, 243, 287, 343, 369, 441, 567, 861, 1029, 1107, 1323, 1701, 2009, 2401, 2583, 3087, 3321, 3969, 6027, 7203, 7749, 9261, 9963, 11907, 14063, 18081, 21609, 23247, 27783, 42189, 54243, 64827, 69741, 83349, 98441, 126567, 162729, 194481, 295323, 379701, 488187, 583443, 885969, 1139103, 2657907, 3417309, 7973721, 23921163]

約数ペア:

[(1, 23921163), (3, 7973721), (7, 3417309), (9, 2657907), (21, 1139103), (27, 885969), (41, 583443), (49, 488187), (63, 379701), (81, 295323), (123, 194481), (147, 162729), (189, 126567), (243, 98441), (287, 83349), (343, 69741), (369, 64827), (441, 54243), (567, 42189), (861, 27783), (1029, 23247), (1107, 21609), (1323, 18081), (1701, 14063), (2009, 11907), (2401, 9963), (2583, 9261), (3087, 7749), (3321, 7203), (3969, 6027)]