1290821945

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{122527}}^1$

素因数の和:122589

約数の個数: 24

約数和(自身を含む): 1843801344

約数和(自身を除く): 552979399

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 10535, 122527, 612635, 857689, 4288445, 5268661, 6003823, 26343305, 30019115, 36880627, 184403135, 258164389, 1290821945]

約数ペア:

[(1, 1290821945), (5, 258164389), (7, 184403135), (35, 36880627), (43, 30019115), (49, 26343305), (215, 6003823), (245, 5268661), (301, 4288445), (1505, 857689), (2107, 612635), (10535, 122527)]