164420505

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{33521}}^1$

素因数の和:33641

約数の個数: 24

約数和(自身を含む): 287618760

約数和(自身を除く): 123198255

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 33521, 100563, 167605, 301689, 502815, 1508445, 3653789, 10961367, 18268945, 32884101, 54806835, 164420505]

約数ペア:

[(1, 164420505), (3, 54806835), (5, 32884101), (9, 18268945), (15, 10961367), (45, 3653789), (109, 1508445), (327, 502815), (545, 301689), (981, 167605), (1635, 100563), (4905, 33521)]