138721806

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{208291}}^1$

素因数の和:208336

約数の個数: 24

約数和(自身を含む): 308688744

約数和(自身を除く): 169966938

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 208291, 416582, 624873, 1249746, 1874619, 3749238, 7706767, 15413534, 23120301, 46240602, 69360903, 138721806]

約数ペア:

[(1, 138721806), (2, 69360903), (3, 46240602), (6, 23120301), (9, 15413534), (18, 7706767), (37, 3749238), (74, 1874619), (111, 1249746), (222, 624873), (333, 416582), (666, 208291)]