28042119

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 60

約数和(自身を含む): 50895504

約数和(自身を除く): 22853385

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 137, 171, 189, 361, 399, 411, 513, 567, 959, 1083, 1197, 1233, 1539, 2527, 2603, 2877, 3249, 3591, 3699, 7581, 7809, 8631, 9747, 10773, 11097, 18221, 22743, 23427, 25893, 29241, 49457, 54663, 68229, 70281, 77679, 148371, 163989, 204687, 210843, 346199, 445113, 491967, 1038597, 1335339, 1475901, 3115791, 4006017, 9347373, 28042119]

約数ペア:

[(1, 28042119), (3, 9347373), (7, 4006017), (9, 3115791), (19, 1475901), (21, 1335339), (27, 1038597), (57, 491967), (63, 445113), (81, 346199), (133, 210843), (137, 204687), (171, 163989), (189, 148371), (361, 77679), (399, 70281), (411, 68229), (513, 54663), (567, 49457), (959, 29241), (1083, 25893), (1197, 23427), (1233, 22743), (1539, 18221), (2527, 11097), (2603, 10773), (2877, 9747), (3249, 8631), (3591, 7809), (3699, 7581)]