291257211

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{3061}}^1$

素因数の和:3291

約数の個数: 32

約数和(自身を含む): 465619968

約数和(自身を除く): 174362757

約数列:

[1, 3, 7, 21, 23, 69, 161, 197, 483, 591, 1379, 3061, 4137, 4531, 9183, 13593, 21427, 31717, 64281, 70403, 95151, 211209, 492821, 603017, 1478463, 1809051, 4221119, 12663357, 13869391, 41608173, 97085737, 291257211]

約数ペア:

[(1, 291257211), (3, 97085737), (7, 41608173), (21, 13869391), (23, 12663357), (69, 4221119), (161, 1809051), (197, 1478463), (483, 603017), (591, 492821), (1379, 211209), (3061, 95151), (4137, 70403), (4531, 64281), (9183, 31717), (13593, 21427)]