81989523

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 153216000

約数和(自身を除く): 71226477

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 113, 189, 231, 297, 339, 349, 693, 791, 1017, 1047, 1243, 2079, 2373, 2443, 3051, 3141, 3729, 3839, 7119, 7329, 8701, 9423, 11187, 11517, 21357, 21987, 26103, 26873, 33561, 34551, 39437, 65961, 78309, 80619, 103653, 118311, 234927, 241857, 276059, 354933, 433807, 725571, 828177, 1064799, 1301421, 2484531, 3036649, 3904263, 7453593, 9109947, 11712789, 27329841, 81989523]

約数ペア:

[(1, 81989523), (3, 27329841), (7, 11712789), (9, 9109947), (11, 7453593), (21, 3904263), (27, 3036649), (33, 2484531), (63, 1301421), (77, 1064799), (99, 828177), (113, 725571), (189, 433807), (231, 354933), (297, 276059), (339, 241857), (349, 234927), (693, 118311), (791, 103653), (1017, 80619), (1047, 78309), (1243, 65961), (2079, 39437), (2373, 34551), (2443, 33561), (3051, 26873), (3141, 26103), (3729, 21987), (3839, 21357), (7119, 11517), (7329, 11187), (8701, 9423)]