201621231

素因数分解:

$3^5\times 7^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 366912000

約数和(自身を除く): 165290769

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 59, 63, 81, 123, 147, 177, 189, 243, 287, 343, 369, 413, 441, 531, 567, 861, 1029, 1107, 1239, 1323, 1593, 1701, 2009, 2419, 2583, 2891, 3087, 3321, 3717, 3969, 4779, 6027, 7257, 7749, 8673, 9261, 9963, 11151, 11907, 14063, 14337, 16933, 18081, 20237, 21771, 23247, 26019, 27783, 33453, 42189, 50799, 54243, 60711, 65313, 69741, 78057, 83349, 100359, 118531, 126567, 152397, 162729, 182133, 195939, 234171, 355593, 379701, 457191, 488187, 546399, 587817, 702513, 829717, 1066779, 1139103, 1371573, 1639197, 2489151, 3200337, 3417309, 4114719, 4917591, 7467453, 9601011, 22402359, 28803033, 67207077, 201621231]

約数ペア:

[(1, 201621231), (3, 67207077), (7, 28803033), (9, 22402359), (21, 9601011), (27, 7467453), (41, 4917591), (49, 4114719), (59, 3417309), (63, 3200337), (81, 2489151), (123, 1639197), (147, 1371573), (177, 1139103), (189, 1066779), (243, 829717), (287, 702513), (343, 587817), (369, 546399), (413, 488187), (441, 457191), (531, 379701), (567, 355593), (861, 234171), (1029, 195939), (1107, 182133), (1239, 162729), (1323, 152397), (1593, 126567), (1701, 118531), (2009, 100359), (2419, 83349), (2583, 78057), (2891, 69741), (3087, 65313), (3321, 60711), (3717, 54243), (3969, 50799), (4779, 42189), (6027, 33453), (7257, 27783), (7749, 26019), (8673, 23247), (9261, 21771), (9963, 20237), (11151, 18081), (11907, 16933), (14063, 14337)]