12956889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 20173824

約数和(自身を除く): 7216935

約数列:

[1, 3, 11, 23, 33, 43, 69, 129, 253, 397, 473, 759, 989, 1191, 1419, 2967, 4367, 9131, 10879, 13101, 17071, 27393, 32637, 51213, 100441, 187781, 301323, 392633, 563343, 1177899, 4318963, 12956889]

約数ペア:

[(1, 12956889), (3, 4318963), (11, 1177899), (23, 563343), (33, 392633), (43, 301323), (69, 187781), (129, 100441), (253, 51213), (397, 32637), (473, 27393), (759, 17071), (989, 13101), (1191, 10879), (1419, 9131), (2967, 4367)]