128157603

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{8681}}^1$

素因数の和:8747

約数の個数: 32

約数和(自身を含む): 211146240

約数和(自身を除く): 82988637

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 8681, 14763, 26043, 60767, 164939, 182301, 321197, 494817, 963591, 1154573, 2248379, 3463719, 6102743, 6745137, 18308229, 42719201, 128157603]

約数ペア:

[(1, 128157603), (3, 42719201), (7, 18308229), (19, 6745137), (21, 6102743), (37, 3463719), (57, 2248379), (111, 1154573), (133, 963591), (259, 494817), (399, 321197), (703, 182301), (777, 164939), (2109, 60767), (4921, 26043), (8681, 14763)]