28082145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2939}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 28224735

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2939, 3185, 8817, 9555, 14695, 20573, 38207, 44085, 61719, 102865, 114621, 144011, 191035, 267449, 308595, 432033, 573105, 720055, 802347, 1337245, 1872143, 2160165, 4011735, 5616429, 9360715, 28082145]

約数ペア:

[(1, 28082145), (3, 9360715), (5, 5616429), (7, 4011735), (13, 2160165), (15, 1872143), (21, 1337245), (35, 802347), (39, 720055), (49, 573105), (65, 432033), (91, 308595), (105, 267449), (147, 191035), (195, 144011), (245, 114621), (273, 102865), (455, 61719), (637, 44085), (735, 38207), (1365, 20573), (1911, 14695), (2939, 9555), (3185, 8817)]