223816455

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27479}}^1$

素因数の和:27671

約数の個数: 24

約数和(自身を含む): 390106080

約数和(自身を除く): 166289625

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2715, 8145, 27479, 82437, 137395, 247311, 412185, 1236555, 4973699, 14921097, 24868495, 44763291, 74605485, 223816455]

約数ペア:

[(1, 223816455), (3, 74605485), (5, 44763291), (9, 24868495), (15, 14921097), (45, 4973699), (181, 1236555), (543, 412185), (905, 247311), (1629, 137395), (2715, 82437), (8145, 27479)]