208082205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{12809}}^1$

素因数の和:12858

約数の個数: 36

約数和(自身を含む): 380687580

約数和(自身を除く): 172605375

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 855, 1083, 1805, 3249, 5415, 12809, 16245, 38427, 64045, 115281, 192135, 243371, 576405, 730113, 1216855, 2190339, 3650565, 4624049, 10951695, 13872147, 23120245, 41616441, 69360735, 208082205]

約数ペア:

[(1, 208082205), (3, 69360735), (5, 41616441), (9, 23120245), (15, 13872147), (19, 10951695), (45, 4624049), (57, 3650565), (95, 2190339), (171, 1216855), (285, 730113), (361, 576405), (855, 243371), (1083, 192135), (1805, 115281), (3249, 64045), (5415, 38427), (12809, 16245)]