208070937

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{19913}}^1$

素因数の和:19971

約数の個数: 24

約数和(自身を含む): 318942624

約数和(自身を除く): 110871687

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 3483, 10449, 19913, 59739, 179217, 537651, 856259, 1612953, 2568777, 4838859, 7706331, 23118993, 69356979, 208070937]

約数ペア:

[(1, 208070937), (3, 69356979), (9, 23118993), (27, 7706331), (43, 4838859), (81, 2568777), (129, 1612953), (243, 856259), (387, 537651), (1161, 179217), (3483, 59739), (10449, 19913)]