23161761

素因数分解:

$3^3\times 7^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 41664000

約数和(自身を除く): 18502239

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 61, 63, 123, 147, 183, 189, 287, 343, 369, 427, 441, 549, 861, 1029, 1107, 1281, 1323, 1647, 2009, 2501, 2583, 2989, 3087, 3843, 6027, 7503, 7749, 8967, 9261, 11529, 14063, 17507, 18081, 20923, 22509, 26901, 42189, 52521, 54243, 62769, 67527, 80703, 122549, 126567, 157563, 188307, 367647, 379701, 472689, 564921, 857843, 1102941, 2573529, 3308823, 7720587, 23161761]

約数ペア:

[(1, 23161761), (3, 7720587), (7, 3308823), (9, 2573529), (21, 1102941), (27, 857843), (41, 564921), (49, 472689), (61, 379701), (63, 367647), (123, 188307), (147, 157563), (183, 126567), (189, 122549), (287, 80703), (343, 67527), (369, 62769), (427, 54243), (441, 52521), (549, 42189), (861, 26901), (1029, 22509), (1107, 20923), (1281, 18081), (1323, 17507), (1647, 14063), (2009, 11529), (2501, 9261), (2583, 8967), (2989, 7749), (3087, 7503), (3843, 6027)]