26958771

素因数分解:

$3^3\times 7^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 21425229

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 71, 123, 147, 189, 213, 287, 343, 369, 441, 497, 639, 861, 1029, 1107, 1323, 1491, 1917, 2009, 2583, 2911, 3087, 3479, 4473, 6027, 7749, 8733, 9261, 10437, 13419, 14063, 18081, 20377, 24353, 26199, 31311, 42189, 54243, 61131, 73059, 78597, 93933, 126567, 142639, 183393, 219177, 379701, 427917, 550179, 657531, 998473, 1283751, 2995419, 3851253, 8986257, 26958771]

約数ペア:

[(1, 26958771), (3, 8986257), (7, 3851253), (9, 2995419), (21, 1283751), (27, 998473), (41, 657531), (49, 550179), (63, 427917), (71, 379701), (123, 219177), (147, 183393), (189, 142639), (213, 126567), (287, 93933), (343, 78597), (369, 73059), (441, 61131), (497, 54243), (639, 42189), (861, 31311), (1029, 26199), (1107, 24353), (1323, 20377), (1491, 18081), (1917, 14063), (2009, 13419), (2583, 10437), (2911, 9261), (3087, 8733), (3479, 7749), (4473, 6027)]