308987211

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 450793728

約数和(自身を除く): 141806517

約数列:

[1, 3, 13, 39, 131, 197, 307, 393, 591, 921, 1703, 2561, 3991, 5109, 7683, 11973, 25807, 40217, 60479, 77421, 120651, 181437, 335491, 522821, 786227, 1006473, 1568463, 2358681, 7922749, 23768247, 102995737, 308987211]

約数ペア:

[(1, 308987211), (3, 102995737), (13, 23768247), (39, 7922749), (131, 2358681), (197, 1568463), (307, 1006473), (393, 786227), (591, 522821), (921, 335491), (1703, 181437), (2561, 120651), (3991, 77421), (5109, 60479), (7683, 40217), (11973, 25807)]