2541945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 4764672

約数和(自身を除く): 2222727

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 563, 645, 903, 1505, 1689, 2815, 3941, 4515, 8445, 11823, 19705, 24209, 59115, 72627, 121045, 169463, 363135, 508389, 847315, 2541945]

約数ペア:

[(1, 2541945), (3, 847315), (5, 508389), (7, 363135), (15, 169463), (21, 121045), (35, 72627), (43, 59115), (105, 24209), (129, 19705), (215, 11823), (301, 8445), (563, 4515), (645, 3941), (903, 2815), (1505, 1689)]