210840255

素因数分解:

$3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{5693}}^1$

素因数の和:6527

約数の個数: 24

約数和(自身を含む): 365964768

約数和(自身を除く): 155124513

約数列:

[1, 3, 5, 9, 15, 45, 823, 2469, 4115, 5693, 7407, 12345, 17079, 28465, 37035, 51237, 85395, 256185, 4685339, 14056017, 23426695, 42168051, 70280085, 210840255]

約数ペア:

[(1, 210840255), (3, 70280085), (5, 42168051), (9, 23426695), (15, 14056017), (45, 4685339), (823, 256185), (2469, 85395), (4115, 51237), (5693, 37035), (7407, 28465), (12345, 17079)]