208988415

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 371116512

約数和(自身を除く): 162128097

約数列:

[1, 3, 5, 9, 15, 45, 73, 113, 219, 339, 365, 563, 565, 657, 1017, 1095, 1689, 1695, 2815, 3285, 5067, 5085, 8249, 8445, 24747, 25335, 41099, 41245, 63619, 74241, 123297, 123735, 190857, 205495, 318095, 369891, 371205, 572571, 616485, 954285, 1849455, 2862855, 4644187, 13932561, 23220935, 41797683, 69662805, 208988415]

約数ペア:

[(1, 208988415), (3, 69662805), (5, 41797683), (9, 23220935), (15, 13932561), (45, 4644187), (73, 2862855), (113, 1849455), (219, 954285), (339, 616485), (365, 572571), (563, 371205), (565, 369891), (657, 318095), (1017, 205495), (1095, 190857), (1689, 123735), (1695, 123297), (2815, 74241), (3285, 63619), (5067, 41245), (5085, 41099), (8249, 25335), (8445, 24747)]