81471642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1939801}}^1$

素因数の和:1939813

約数の個数: 16

約数和(自身を含む): 186220992

約数和(自身を除く): 104749350

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1939801, 3879602, 5819403, 11638806, 13578607, 27157214, 40735821, 81471642]

約数ペア:

[(1, 81471642), (2, 40735821), (3, 27157214), (6, 13578607), (7, 11638806), (14, 5819403), (21, 3879602), (42, 1939801)]