2191005

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 3832920

約数和(自身を除く): 1641915

約数列:

[1, 3, 5, 9, 15, 45, 181, 269, 543, 807, 905, 1345, 1629, 2421, 2715, 4035, 8145, 12105, 48689, 146067, 243445, 438201, 730335, 2191005]

約数ペア:

[(1, 2191005), (3, 730335), (5, 438201), (9, 243445), (15, 146067), (45, 48689), (181, 12105), (269, 8145), (543, 4035), (807, 2715), (905, 2421), (1345, 1629)]