81114215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{337}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 125606208

約数和(自身を除く): 44491993

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 337, 455, 529, 805, 1495, 1685, 2093, 2359, 2645, 3703, 4381, 6877, 7751, 10465, 11795, 18515, 21905, 30667, 34385, 38755, 48139, 54257, 100763, 153335, 178273, 240695, 271285, 503815, 705341, 891365, 1247911, 2317549, 3526705, 6239555, 11587745, 16222843, 81114215]

約数ペア:

[(1, 81114215), (5, 16222843), (7, 11587745), (13, 6239555), (23, 3526705), (35, 2317549), (65, 1247911), (91, 891365), (115, 705341), (161, 503815), (299, 271285), (337, 240695), (455, 178273), (529, 153335), (805, 100763), (1495, 54257), (1685, 48139), (2093, 38755), (2359, 34385), (2645, 30667), (3703, 21905), (4381, 18515), (6877, 11795), (7751, 10465)]