138243735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{438869}}^1$

素因数の和:438887

約数の個数: 24

約数和(自身を含む): 273854880

約数和(自身を除く): 135611145

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 438869, 1316607, 2194345, 3072083, 3949821, 6583035, 9216249, 15360415, 19749105, 27648747, 46081245, 138243735]

約数ペア:

[(1, 138243735), (3, 46081245), (5, 27648747), (7, 19749105), (9, 15360415), (15, 9216249), (21, 6583035), (35, 3949821), (45, 3072083), (63, 2194345), (105, 1316607), (315, 438869)]