12480321

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 20684800

約数和(自身を除く): 8204479

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1009, 1767, 3027, 4123, 7063, 12369, 19171, 21189, 31279, 57513, 93837, 134197, 218953, 402591, 594301, 656859, 1782903, 4160107, 12480321]

約数ペア:

[(1, 12480321), (3, 4160107), (7, 1782903), (19, 656859), (21, 594301), (31, 402591), (57, 218953), (93, 134197), (133, 93837), (217, 57513), (399, 31279), (589, 21189), (651, 19171), (1009, 12369), (1767, 7063), (3027, 4123)]