156697821

素因数分解:

$3^6\times 7^1\times {\mathrm{30707}}^1$

素因数の和:30732

約数の個数: 28

約数和(自身を含む): 268510752

約数和(自身を除く): 111812931

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 30707, 92121, 214949, 276363, 644847, 829089, 1934541, 2487267, 5803623, 7461801, 17410869, 22385403, 52232607, 156697821]

約数ペア:

[(1, 156697821), (3, 52232607), (7, 22385403), (9, 17410869), (21, 7461801), (27, 5803623), (63, 2487267), (81, 1934541), (189, 829089), (243, 644847), (567, 276363), (729, 214949), (1701, 92121), (5103, 30707)]