5240781

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:117

約数の個数: 56

約数和(自身を含む): 9793280

約数和(自身を除く): 4552499

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 79, 81, 91, 117, 189, 237, 243, 273, 351, 553, 567, 711, 729, 819, 1027, 1053, 1659, 1701, 2133, 2457, 3081, 3159, 4977, 5103, 6399, 7189, 7371, 9243, 9477, 14931, 19197, 21567, 22113, 27729, 44793, 57591, 64701, 66339, 83187, 134379, 194103, 249561, 403137, 582309, 748683, 1746927, 5240781]

約数ペア:

[(1, 5240781), (3, 1746927), (7, 748683), (9, 582309), (13, 403137), (21, 249561), (27, 194103), (39, 134379), (63, 83187), (79, 66339), (81, 64701), (91, 57591), (117, 44793), (189, 27729), (237, 22113), (243, 21567), (273, 19197), (351, 14931), (553, 9477), (567, 9243), (711, 7371), (729, 7189), (819, 6399), (1027, 5103), (1053, 4977), (1659, 3159), (1701, 3081), (2133, 2457)]