28695609

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 45434844

約数和(自身を除く): 16739235

約数列:

[1, 3, 9, 17, 37, 51, 111, 137, 153, 333, 411, 629, 1233, 1369, 1887, 2329, 4107, 5069, 5661, 6987, 12321, 15207, 20961, 23273, 45621, 69819, 86173, 187553, 209457, 258519, 562659, 775557, 1687977, 3188401, 9565203, 28695609]

約数ペア:

[(1, 28695609), (3, 9565203), (9, 3188401), (17, 1687977), (37, 775557), (51, 562659), (111, 258519), (137, 209457), (153, 187553), (333, 86173), (411, 69819), (629, 45621), (1233, 23273), (1369, 20961), (1887, 15207), (2329, 12321), (4107, 6987), (5069, 5661)]