12731397

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 20748288

約数和(自身を除く): 8016891

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 301, 483, 613, 903, 989, 1839, 2967, 4291, 6923, 12873, 14099, 20769, 26359, 42297, 79077, 98693, 184513, 296079, 553539, 606257, 1818771, 4243799, 12731397]

約数ペア:

[(1, 12731397), (3, 4243799), (7, 1818771), (21, 606257), (23, 553539), (43, 296079), (69, 184513), (129, 98693), (161, 79077), (301, 42297), (483, 26359), (613, 20769), (903, 14099), (989, 12873), (1839, 6923), (2967, 4291)]