214451505

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{43721}}^1$

素因数の和:43841

約数の個数: 24

約数和(自身を含む): 375134760

約数和(自身を除く): 160683255

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 43721, 131163, 218605, 393489, 655815, 1967445, 4765589, 14296767, 23827945, 42890301, 71483835, 214451505]

約数ペア:

[(1, 214451505), (3, 71483835), (5, 42890301), (9, 23827945), (15, 14296767), (45, 4765589), (109, 1967445), (327, 655815), (545, 393489), (981, 218605), (1635, 131163), (4905, 43721)]