253309077

素因数分解:

$3^2\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1871}}^1$

素因数の和:2198

約数の個数: 36

約数和(自身を含む): 427242816

約数和(自身を除く): 173933739

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 307, 441, 921, 1871, 2149, 2763, 5613, 6447, 13097, 15043, 16839, 19341, 39291, 45129, 91679, 117873, 135387, 275037, 574397, 825111, 1723191, 4020779, 5169573, 12062337, 28145453, 36187011, 84436359, 253309077]

約数ペア:

[(1, 253309077), (3, 84436359), (7, 36187011), (9, 28145453), (21, 12062337), (49, 5169573), (63, 4020779), (147, 1723191), (307, 825111), (441, 574397), (921, 275037), (1871, 135387), (2149, 117873), (2763, 91679), (5613, 45129), (6447, 39291), (13097, 19341), (15043, 16839)]