138156543

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 249856000

約数和(自身を除く): 111699457

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 79, 133, 171, 189, 237, 399, 487, 513, 553, 711, 1197, 1461, 1501, 1659, 2133, 3409, 3591, 4383, 4503, 4977, 9253, 10227, 10507, 13149, 13509, 14931, 27759, 30681, 31521, 38473, 40527, 64771, 83277, 92043, 94563, 115419, 194313, 249831, 269311, 283689, 346257, 582939, 730987, 807933, 1038771, 1748817, 2192961, 2423799, 5116909, 6578883, 7271397, 15350727, 19736649, 46052181, 138156543]

約数ペア:

[(1, 138156543), (3, 46052181), (7, 19736649), (9, 15350727), (19, 7271397), (21, 6578883), (27, 5116909), (57, 2423799), (63, 2192961), (79, 1748817), (133, 1038771), (171, 807933), (189, 730987), (237, 582939), (399, 346257), (487, 283689), (513, 269311), (553, 249831), (711, 194313), (1197, 115419), (1461, 94563), (1501, 92043), (1659, 83277), (2133, 64771), (3409, 40527), (3591, 38473), (4383, 31521), (4503, 30681), (4977, 27759), (9253, 14931), (10227, 13509), (10507, 13149)]