87210123

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 158118912

約数和(自身を除く): 70908789

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 113, 143, 231, 257, 273, 339, 429, 771, 791, 1001, 1243, 1469, 1799, 2373, 2827, 3003, 3341, 3729, 4407, 5397, 8481, 8701, 10023, 10283, 16159, 19789, 23387, 26103, 29041, 30849, 36751, 48477, 59367, 70161, 87123, 110253, 113113, 203287, 257257, 319451, 339339, 377533, 609861, 771771, 958353, 1132599, 2236157, 2642731, 4152863, 6708471, 7928193, 12458589, 29070041, 87210123]

約数ペア:

[(1, 87210123), (3, 29070041), (7, 12458589), (11, 7928193), (13, 6708471), (21, 4152863), (33, 2642731), (39, 2236157), (77, 1132599), (91, 958353), (113, 771771), (143, 609861), (231, 377533), (257, 339339), (273, 319451), (339, 257257), (429, 203287), (771, 113113), (791, 110253), (1001, 87123), (1243, 70161), (1469, 59367), (1799, 48477), (2373, 36751), (2827, 30849), (3003, 29041), (3341, 26103), (3729, 23387), (4407, 19789), (5397, 16159), (8481, 10283), (8701, 10023)]