205457913

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{1019}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 304555680

約数和(自身を除く): 99097767

約数列:

[1, 3, 9, 43, 129, 387, 521, 1019, 1563, 3057, 4689, 9171, 22403, 43817, 67209, 131451, 201627, 394353, 530899, 1592697, 4778091, 22828657, 68485971, 205457913]

約数ペア:

[(1, 205457913), (3, 68485971), (9, 22828657), (43, 4778091), (129, 1592697), (387, 530899), (521, 394353), (1019, 201627), (1563, 131451), (3057, 67209), (4689, 43817), (9171, 22403)]