7980651

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{967}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 13288704

約数和(自身を除く): 5308053

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 967, 1179, 2751, 2901, 6769, 8253, 8703, 20307, 60921, 126677, 380031, 886739, 1140093, 2660217, 7980651]

約数ペア:

[(1, 7980651), (3, 2660217), (7, 1140093), (9, 886739), (21, 380031), (63, 126677), (131, 60921), (393, 20307), (917, 8703), (967, 8253), (1179, 6769), (2751, 2901)]